Koken 16644A-B Impact Adaptor 3/4″F x 1/2″M (With Ball)

Made In Japan, Highest Quality, Most Dependable
To use your 1/2″Dr sockets on your 3/4″Dr impact tool being careful not to overload the Socket
Spring loaded ball means you do not need a Retention Pin

16644A Impact Adaptor with Ball – 3/4″F x 1/2″M x 52mm

3/4″F x 1/2″M x 54mm Long