Kyoto Tool Hexagon Bit Socket TBT409BH (KTC) 12.7mm (1/2 inch) Set, 9-Piece Set,

Insertion angle (mm): 12.7 Set includes: 3/16, 7/32, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8 Type: Standard