Hindley 41167 Zinc U-Bolts (10 pack)Hindley 41167 Zinc U-Bolts (10 pack) Features: Zinc chromate plated steel 41167: 1" width, 1-3/4" inside length, 1/4-20 thread size 41168: 1-1/8" width, 2" inside length, 1/4-20 thread size 41169: 1-3/8" width, 2-3/4" inside length, 1/4-20 thread size 41196: 1-3/8" width, 2-1/2" inside length, 5/16-18 thread size 41197: 1-3/4" width, 3" inside length, 5/16-18 thread size 41198: 2" width, 3" inside length, 5/16-18 thread size 41199: 2" width, 3-11/16" inside length, 5/16-18 thread size 41200: 2-1/2" width, 3-1/2" inside length, 5/16-18 thread size 41201: 2-1/2" width, 4-3/16" inside length, 5/16-18 thread size