Wright® 41-17MM Standard Socket, Shape II Style, 1/2 in, 17 mm, 12 Points

Wright® Socket, Standard, Series, Measurement System, Drive Size, in 1/2, Socket Size, mm 17, 38.1 Overall Length, Opening Depth mm, mm 19.02, 24.3 Drive End Width, Socket End Width mm, mm 24.3, Number of Points, Shape II, bolt Clearance Depth, Finish.