AKDB3055/Ingco
- Size:  4x75, 5x85, 6x100, 8x120, 10x120 mm
- Packaged in double plastic bows
- Concrete drill bit with smooth tail and sharp tip helps prevent running when drilling.
- Reduce vibration and shock when in use, achieving higher productivity.
- Made of high-quality alloy material that is heat-resistant, pressure-resistant, and rust-resistant.

AKSDB1901/Ingco
- 19PCS drill bit set & screwdriver bit set
- 7 HSS Twist Drill Bits (Size: Size: 2, 3, 3.5, 4, 4, 5, 6 mm)
- 4 Concrete Drill Bits (Size: 4,5,6,8 mm)
- 8 screwdriver bits: SL4.5, SL5.5, PH1, PH2, PZ1, PZ2, T20, T30
- Packed in double blister