The Stahlwille Double ended imperial ratchet ring spanners, with bi-hexagon ends and a straight profile. Made of solid steel with a 22-tooth ratcheting mechanism. Equipped with AS drive to permit high transmission of forces to the lands of the nuts and bolts without damaging them.

Fed. Spec. GGG-W-001405.

Size: 1/4 x 5/16in.
Length: 109mm.