Dimension A, Hex OD, inches : 15/16
Dimension C, Bolt Clearance Depth, inches : 57/64
Size, inches : 11/16
Country Of Origin : USA
Dimension B, Square Drive OD, inches : 3/4
Dimension D, Assembly Length, inches : 2-7/16
Dimension E, Hex Depth, inches : 35/64
Style : 6-point