Koken 120-50 5/16 in Hex Shank x 3/8 in Sq Socket Adaptor

Koken 3/8 in M Bit Adaptor
Made in Japan, Highest Quality, Most Dependable Turns an impact driver into a 5/16in Dr impact wrench. Instead of buying individual nut drivers, the user is able to use the adaptor and standard sockets to achieve the same result.
Product Code: 120-50
3/8 in M x 5/16 in M
120-50 Bit Adaptor - 3/8 in M x 5/16 in M x 50mm 4pt x 6pt