112-50B Bit Adaptor 1/4" Hex Shank x 3/8"M SQ (With Ball) |112-50B Bit Adaptor With Ball 

Made in Japan, Highest Quality, Most Dependable
Turns an impact driver into a 1/4"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.