| Specification | Parameter |
| Brand | DongCheng |
| Series / Model | DG Series |
| Product Type | Precision Screwdriver Bit Set |
| Total Piece Count | 21 Pcs Set (20 Bits + 1 Bit Holder) |
| Shank Standard | 1/4" Hex Shank (6.35 mm) |
| Bit Length | 25 mm |
| Bit Holder | 1 Pcs 1/4" Hex Magnetic Bit Holder |
| Slotted Bits (4 Pcs) | SL3, SL4, SL5, SL6 |
| Phillips Bits (4 Pcs) | PH0, PH1, PH2, PH3 |
| Pozidriv Bits (3 Pcs) | PZ1, PZ2, PZ3 |
| Hex / Allen Bits (4 Pcs) | H2.5, H3, H4, H5 |
| Torx / Star Bits (5 Pcs) | T10, T15, T20, T25, T30 |
| Material Construction | Hardened & Heat-Treated High-Grade Tool Steel |
| Best Used For | Cordless Screwdrivers, Magnetic Hand Drivers, Electronic Servicing, Furniture Assembly & Auto Maintenance |
Universal 20-Piece Drive Profile Assortment: Features 25mm insert bits covering Slotted, Phillips, Pozidriv, Metric Hex, and Torx to drive virtually all standard fasteners.
Standard 1/4" (6.35mm) Hex Shank: Engineered for universal compatibility across manual magnetic bit drivers, electric screwdrivers, drill chucks, and impact adapters.
Thermal Heat-Treated Tool Steel: Hardened alloy steel architecture resists tip rounding, chipping, and torsional stress under continuous manual and power driving.
Magnetic Quick-Change Bit Holder Included: High-retention magnetic extension adapter holds insert bits firmly in place to eliminate axial wobble and dropped fasteners.
Compact Field-Service Portability: Streamlines onsite toolkits for consumer electronics, furniture fitting, vehicle dashboard repair, and electrical enclosures across Nepal.