U Bolt With Top Backing Plate – Pair Technical Description Features American Metric Rod Size 15/64 in 6 mm Fixing Hole Centre 1 1/2 in 38 mm Height 3 3/64 in 77.5 mm Thread Length 85.98 lb 39 kg Weight 1.86 oz 53 g Inside Diameter 1 17/64 in 32 mm