13 Pc. 6 Lobe Polydrive Bit Socket Set (13) Ribe Bit Sockets:. M4 1/4” Drive (ATD-255). M5 1/4” Drive (ATD-256). M6 1/4” Drive (ATD-257). M7 3/8” Drive (ATD-258). M8 3/8” Drive (ATD-259). M9 3/8” Drive (ATD-261). M10 3/8” Drive (ATD-262). M11 3/8” Drive (ATD-263). M12 3/8” Drive (ATD-264). M13 1/2” Drive (ATD-265). M14 1/2” Drive (ATD-266). M15 1/2” Drive (ATD-267). M16 1/2” Drive (ATD-268). Includes 6-lobe ribe/polydrive bit sockets. Bits are made from S2 steel to meet or exceed torque specifications. Sockets are made from heat treated chrome vanadium steel for strength & durability 13780 Yes - LEAD AND LEAD COMPOUNDS