... 15 years experience socket set 108pcsCONTENTS:18PCS-1/4" DR. BIT SOCKETS: SL4,5.5,6.5 PH1,2 PZ1,2 HEX3,4,5 ... ,E20,E241PC-1/2" DR. QUICK RATCHET HANDLE2PCS-1/2" DR. SPARK PLUG SOCKETS: 16MM & 21MM1PC-3-WAY ADAPTOR3PCS-HEX KEY WRENCHES: 1.5,2,2.5MM17PCS-BITS ... .W./N.W. Q'TY39.5x29x25.5CM 21/20KGS 3SETS socket set 108pcs (1/4"&1/2") YD-1019