Flip Flop Block With Cleat Technical Description Features American Metric Line Size 5/32 - 15/64 in 4 - 6 mm Height 2 7/8 in 73 mm Fixig Hole Centres 45/64 in 18 mm (Offset) Weight 3.06 oz 87 g Fixing Hole Size 13/64 in 5 mm Cam Cleat - A..77 Maximum Working Load 220.46 lb 100 Kg