【Hardware Kit】Hardware Kit of 194326 Idler Pulley:Carriage Bolt: 3/8"-16 x 1-3/4", Flat Washer：3/8", Flanged Nylon Lock Nut: 3/8"-16; Hardware Kit of 194327 Idler Pulley: Carriage Bolt: 3/8"-16 x 2-1/2", Flat Washer：3/8", Flanged Nylon Lock Nut : 3/8"-16.
