UGREEN CM372 80459 38-in-1 Precision Screwdriver Set
by UGREEN
Save 25%
Original price
Rs. 1,887.00
Original price
Rs. 1,887.00
-
Original price
Rs. 1,887.00
Original price
Rs. 1,887.00
Current price
Rs. 1,419.00
Rs. 1,419.00
-
Rs. 1,419.00
Current price
Rs. 1,419.00
Product overview
Overview
UGREEN CM372 is built around interchangeable 4mm precision bits for phones, laptops, watches, cameras and other small equipment. The labelled tray includes common Phillips, slotted, Torx, hex and several security-style profiles such as triangle, Y/tri-wing, pentalobe and U/fork. Use the markings on the actual tray to select profile and size; never force an approximate fit.
Features
What it does well.
Key features
Highlights
- 38-piece composition: 36 precision bits + 1 handle + 1 extension shaft.
- Handle: lightweight aluminium alloy with knurled grip, rotating cap and magnetic bit retention.
- Extension: 60mm shaft for recessed screws and confined areas.
- Organised case: labelled slots and push-open/standing design.
- Profile range: common Phillips, slotted, Torx and hex plus specialist security profiles; sizes are read from the tray.
- Small-device focus: for precision fasteners, not high-torque construction hardware.
Tool, bit and case map
Know the controls and roles
- 36 labelled CR-V bits: select the profile and size that fully seats in the screw recess.
- 95mm aluminium handle: applies controlled hand torque; the rotating cap supports fingertip turning.
- Magnetic holder: retains the installed bit and helps controlled placement; it does not magnetise every screw reliably.
- 60mm extension shaft: reaches recessed fasteners while preserving the 4mm bit interface.
- Push-open case: organises components and can stand upright for selection.
- Tray labels: are the authoritative size guide for the supplied bits; avoid inventing a size from appearance alone.
Use scenarios
Where it makes sense
Use the kit for clean, accessible precision screws after confirming serviceability, safety and correct bit fit.
- Remove compatible screws from selected smartphones, laptops, tablets and small computer accessories during authorised repair.
- Open battery compartments, camera accessories, watches, spectacles, toys or small household items that use one of the supplied profiles.
- Reach a recessed low-torque screw using the 60mm extension when the handle cannot enter directly.
- Organise a repair bench where labelled bit storage reduces mix-ups between visually similar Torx, pentalobe and hex sizes.
- Tighten a small fastener to snug hand tightness after reassembly, following the device’s documented torque where available.
- Not for live mains equipment, automotive wheel/engine fasteners, seized screws, impact tools or safety-critical structural work.
Setup and usability guidance
A dependable first connection
Prepare the device and work area before touching the first screw.
- Back up important data, shut the device down, unplug every cable and remove a removable battery where the manufacturer permits.
- Discharge static safely and use an ESD-safe work surface for exposed electronics; keep liquids and loose metal away.
- Inspect the screw head under good light and choose the tray-labelled bit that fills the recess without play.
- Insert the bit fully into the magnetic handle or extension, hold the driver straight and apply gentle downward pressure.
- Break the screw free with controlled torque. Stop if the bit cams out, the head deforms or adhesive/thread-lock resistance seems excessive.
- Arrange screws by location and length because a longer screw installed in the wrong hole can puncture or damage a board.
- Reassemble in reverse order, tighten only to the device maker’s guidance and count all 36 bits, handle, extension and removed screws.
Compatible devices and systems
Match the whole chain
Compatibility is defined by fastener profile and size, not merely the device category pictured.
- Small electronics and household products using one of the 36 supplied 4mm bit profiles and sizes.
- Selected phone and laptop fasteners including common specialist profiles, after checking the manufacturer service guide.
- Camera, watch, toy, spectacle and small-appliance screws within a low manual torque range.
- Recessed fasteners reachable with the supplied 60mm extension.
- Not insulated or voltage-rated for electrical work on energised circuits.
- Not suitable for large sockets, drill chucks, impact drivers or high-torque automotive/construction fasteners.
What this product does
Capabilities
- Provides 36 interchangeable precision bit choices in one labelled case.
- Uses a rotating-cap handle for controlled fingertip pressure and turning.
- Extends reach by 60mm for selected recessed screws.
- Magnetically retains the bit in the driver holder.
- Keeps small components organised in dedicated labelled positions.
- Supports careful manual disassembly and reassembly of compatible low-torque fasteners.
What this product does not do
Clear boundaries
- It does not insulate the user from mains electricity or certify a circuit safe.
- It does not include a powered driver, ratchet, torque limiter or calibrated torque reading.
- It does not guarantee every phone, laptop or game console uses a supplied bit.
- It does not overcome thread-lock, corrosion or a stripped screw without risk of damage.
- It does not preserve a device warranty, water-resistance seal or adhesive closure after opening.
- It does not replace manufacturer service instructions, ESD equipment or model-specific opening tools.
What to do
Good practice
- Power down, unplug and make the device electrically safe before disassembly.
- Use ESD precautions and a bright, uncluttered surface with a parts tray.
- Match profile and size exactly and keep the driver aligned with the screw axis.
- Photograph each stage and separate screws by location and length.
- Clean bits with a dry cloth and return every component to its labelled slot.
- Stop and seek professional service when a battery is swollen, a seal is critical or a screw begins to strip.
What not to do
Avoid these mistakes
- Do not work on live mains equipment; the handle and bits are not insulated electrician’s tools.
- Do not use pliers on the handle, a hammer on the extension or the bits in an impact/power driver.
- Do not substitute a near-fit bit or continue after it cams out of the screw head.
- Do not puncture, bend or pry near a lithium battery with a screwdriver bit.
- Do not overtighten tiny screws or swap screw lengths between holes.
- Do not leave loose bits or screws inside electronics or within reach of children.
Warnings and limitations
Important safety and performance notes
Precision repair can expose sharp edges, stored electrical energy and lithium cells even after a device is switched off.
- Small bits and screws are choking and ingestion hazards; keep the kit closed and away from children.
- Lithium batteries can ignite if punctured, crushed or shorted. Do not work on swollen or damaged packs.
- Capacitors in some power supplies and appliances can retain hazardous voltage after unplugging; use qualified service.
- Opening a water-resistant product can destroy its seal unless correct replacement adhesive, fixtures and tests are used.
- The extension increases leverage and can strip a tiny screw more easily; use only gentle hand torque.
- CR-V bits are hard but can chip if twisted, side-loaded or used in the wrong profile; wear appropriate eye protection where fragments are possible.
Care, troubleshooting and buying checklist
Keep it working and solve common issues
A bit that does not seat securely is a compatibility warning, not a cue to apply more force.
- Bit slips: clean the recess, verify profile and size, keep the tool vertical and stop before the head rounds.
- Screw will not move: check for thread-lock, hidden clips or reverse-thread guidance; do not add uncontrolled leverage.
- Bit will not stay: clean the magnetic holder and bit shank, insert fully and check for debris or damage.
- Cannot reach: install the 60mm extension only if it can remain aligned; otherwise use a model-specific tool.
- Case count is short: inspect the work surface and device interior before power-up; never energise equipment with a loose bit inside.
- Reassembly gap: do not force the housing; a cable, clip, seal or wrong-length screw may be misplaced.
- Buying check: compare the fastener labels in the media with the device service documentation and recognise the low-torque, non-insulated scope.
Technical specifications
Model details
Brand / model / SKU
UGREEN CM372 / 80459
Set count
38 pieces total
Bit count
36 precision bits
Driver handle count
1 aluminium alloy handle
Extension count
1 extension shaft
Bit material
Chrome-vanadium steel (CR-V)
Bit interface / size
4mm precision bits; approximately 19.5mm long
Handle dimensions
Approximately 95mm long and 11mm maximum diameter
Extension dimensions
Approximately 60mm long and 8mm diameter
Handle features
Knurled grip, rotating cap and magnetic bit holder
Case
Labelled push-open organiser with standing selection position
Profile families
Phillips, slotted, Torx, hex, triangle, Y/tri-wing, pentalobe, U/fork and other tray-labelled precision profiles
Electrical rating
Not insulated or rated for live electrical work
In the box
Package contents
- 36 × labelled 4mm CR-V precision screwdriver bits
- 1 × 95mm aluminium precision driver handle
- 1 × 60mm extension shaft
- 1 × labelled push-open storage/stand case
FAQs