View 2 of Otoolling 8/4 Pcs Square U-Bolt Kit Boat Trailer Frames 3-1/2" Wide x 6" Long x 1/2'' Diameter Straight Formed for 3500 lbs Durable Zinc Plated U Bolt with Nut and Washer for Trailer Boat Guide(4 Pcs)

Double tap image to zoom

View 1 of Otoolling 8/4 Pcs Square U-Bolt Kit Boat Trailer Frames 3-1/2" Wide x 6" Long x 1/2'' Diameter Straight Formed for 3500 lbs Durable Zinc Plated U Bolt with Nut and Washer for Trailer Boat Guide(4 Pcs)View 2 of Otoolling 8/4 Pcs Square U-Bolt Kit Boat Trailer Frames 3-1/2" Wide x 6" Long x 1/2'' Diameter Straight Formed for 3500 lbs Durable Zinc Plated U Bolt with Nut and Washer for Trailer Boat Guide(4 Pcs)