Perko Open Base Cleat w/Studs 6" Chrome 1316-002-CHR by Perko $28.86 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Perko Open Base Cleat #9-1316002CHR Length: 6" Chrome Plated Zinc Black plastic base, zinc plated steel studs, nuts, and washers. 1/2" rope size 1/4" x 1-1/2" stud size