Impact sockets are hand tools for automobile maintenance and other reparation Features: 1) Spec: 1", 1" (8-unit combination), 1/2", 3/4", 3/4" (8-unit combination)2) Our products include 26-unit heavy combined impact sockets, various socket wrenches, pneumatic tools, 20T or 30T jacks and HY30-50 (50-70) assembling and disassembling machinesPacking:Cartons Impact Sockets