Size:

1/4 * 1/4 * 65mm length -- 1/4 " shank can be converted to 6.35mm square head

3/8 * 1/4 * 65mm length -- 1/4 " shank can be converted to 9.4mm square head

1/2 * 1/4 * 72mm length -- 1/4 " shank can be converted to 12.6mm square head

Package Included:

1 x (1/4" hex shank to 1/4" socket)Socket Adapter

1 x (1/4" hex shank to 3/8" socket)Socket Adapter

1 x (1/4" hex shank to 1/2" socket)Socket Adapter