?wonwopn 3" 4" boat trailer roller assembly bow stop bell roller with 1/2" shaft pvc | 3 inch 4 inch boat trailer roller with 1/2 inch shaft, 3 inch roller for 3 inch bracket, 4 inch roller for 4 inch bracket is up for auction in Patio, Lawn & Garden. This item is in As Is condition. Bid on this item at our Rogers - N Dixieland Rd. location before the auction closes.