U Bolt Square Bend Dimensions SizeThread Length(B x C)(D)5/16″-18 (A)5/16″-18 (A)2″ x 3″1-1/2″2″ x 5″3″2″ x 7″3″3/8″-16 (A)3/8″-16 (A)3″ x 4″2″3″ x 6″3″3″ x 7″3″4″ x 3″1-1/2″4″ x 5″3″4″ x 6″3″