... working to heat treatment and electroplating YD-1021138pcs socket wrench set(1/4"&3/8"&1/2")CONTENTS:2PCS-BIT HOLDER: 3/8 ... 3/4",13/16",7/8"8PCS-3/8" DR. TORX SOCKETS: E8,E10,E11,E12,E14,E16,E18,E204PCS-3 ... /8"(M)X1/2"(F)4PCS-1/2" DR. SOCKETS: 15/16",1",1-1/16",1-1/4"4PCS-1/2" DR. SOCKETS: 24,27, ... ,17,18,19MM3PCS-UNIVERSAL JOINT: 1/4"&3/8"&1/2"3PCS-QUICK RATCHET HANDLE: 1/4"&3/8"&1/2"1PC-3-WAY ADAPTOR1PC ...