Facom 1/4" Drive 6pt Fractional Socket Set (R.40U)- 11pc box set packaged with a storage rail. OGV design....applies torque through the flats of the fastener. Includes shallow depth sizes....... 3/16 - 7/32 - 1/4 - 9/32 - 5/16 - 11/32 - 3/8 - 13/32 - 7/16- 1/2 - 9/16" . Added bonus while supplies last.......1/4" drive USAG socket in 1/8" size (this size is NOT available through Facom). There's an extra clip or two on the Facom rails to hold a 12th socket.