0.208" Dia. x 1" long, special bolt & locking nut. For knifeheads. Packaged 25 per plastic box. 25904-501RF02
This item is a suitable alternative for the following: 491-SB2, 904-501, 550085D, 904-501K, 904501, 904501K, 905-501, 983446, 135632, A-7A9069, A-904-501, A7A9069, A904501, B55-0085D, FAS130, RF.02, RF02, 2740904501, 491-550085D