1. Material: 9255 alloy steel 2. Standard: metric 3. Scope of application: all kinds of screws, hand drills, industrial installation and maintenance, home maintenance, etc. 4. Features: various specifications, wide applicability, overall hardening heat treatment, high hardness, wear resistance, high magnetic anti-skid design on the head, which can firmly adsorb screws, prevent slippage, and improve work efficiency. It is suitable for wind drills and hand drills. , charging screwdriver and other operations 5. Weight: about 130g/set for 7 PCS PH2, about 30g/set for 6 PCS 25mm, about 60g/set for 6 PCS 50mm, and about 120g/set for 12 PCS 50mm 6. Packing list: - 7 PCS PH2: - 25mmx1 - 50mmx1 - 75mmx1 - 90mmx1 - 127mmx1 - 150mmx1 - 6 PCS 25/50mm: - PH1x1 - PH2x1 - PH3x1 - PZ1x1 - PZ2x1 - PZ3x1 - 12 PCS 50mm: - PH1x2 - PH2x2 - PH3x2 - PZ1x2 - PZ2x2 - PZ3x2
