1. Material: Alloy Steel 2. Characteristics: Multifunctional, Mini, Explosion-proof, Insulation, Dual-ended, Slip-proof 3. Screw head size: 25-150 mm 4. Integral hardening and heat treatment, high hardness, wear resistance 5. Head high magnetic anti-skid design 6. Suitable for air batch, hand drill, charging screwdriver, etc.
