5/16" Dia Padlock Collar, Sold As 1 Bag, 12 Each Per Bag This Pack contains 12 Shackle collars and 12 rivets Fits 5/16 inches diameter shackles and smaller Also for 1, 1LF, 1LJ, 1LN, 2, 2LF, 2LJ, 21, 21LF, 21LJ, 21LN, 24, 24LF, 24LJ, 24LN, 24WO, 81, 81LF, 81LJ, 82, 82LF, 82LJ, 101, 175, 175LH, 2001, 2002, 2010, 6121, 6840, 6841, 6842, 7040, 7041, 7042 71SC10 Furnished with rivets for attaching to shackle