Simple ridged v groove holds ropes firmly yet is devoid of any moving parts to break or seize. They are unaffected by the heat generated by a rope surging back through a cleat as well as being suitable for sub-zero temperatures. Rope Size: 3-6mm Length: 82mm Width: 18mm Hole Centres: 66mm Fixing Hole Size: 5mm Weight: 35g Material: AluminiumClick here if you need fixings