Wright® 68-21MM Shape I Standard Length Socket, Metric, 3/4 in Square Drive, 21 mm, 6 Points

Wright® Socket, Shape I Standard Length, Yes Impact Rated, Measurement System: Metric, Square Drive, 3/4 in Drive, 21 mm Socket, 50.8 mm Overall Length, 15.47 mm Opening Depth, 41.28 mm Drive End Width, 34.93 mm Socket End Width, 6 Points, Hot Forged Alloy Steel, Black Oxide.