1. Material: 9255 alloy steel2. Standard: metric3. 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 operations5. 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 50mm6. 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- PZ3x2Specification: Package Weight One Package Weight 0.03kgs / 0.07lb One Package Size 15cm * 10cm * 3cm / 5.91inch * 3.94inch * 1.18inch Qty per Carton 80 Carton Weight 3.40kgs / 7.50lb Carton Size 42cm * 32cm * 32cm / 16.54inch * 12.6inch * 12.6inch Loading Container 20GP: 620 cartons * 80 pcs = 49600 pcs 40HQ: 1439 cartons * 80 pcs = 115120 pcs