The ring is suitable for attaching guying ropes to a tubular mast or antenna. The holes for the ropes (around the perimeter) are 8 mm (5/16”) in diameter and have chamfered edges so that the Mastrant ropes can be tied directly without the risk of cutting them. Thickness 3 mm (1/8”), outer diameter 100 mm (4"), distance of the holes from the edge 6 mm (1/2"). Made from AW5754 aluminium alloy which is very strong and has excellent corrosion resistance (including seawater and industrially polluted atmospheres). Surface finish by sanding. Diameters of centre holes: mm inch 22 7/8 28 1-1/8 31 1-1/4 34 1-5/16 37 1-7/16 40 1-9/16 43 1-11/16
