Drive Bit Shank Style 1/4". 【Set Includes】1/4"drive universal sockets: 5-15mm, 1/4"-9/16"; 1/4"drive deep&standard impact sockets: 4-15mm, 5/32"-9/16"; 1/4"drive torx&inverted torx sockets: T10-T40, E4-E10; 1/4"drive extensions: 2“，4“，6“; 1/4"drive universal joint; 1/4"M 3/8"F adapter.
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