Usage Tips:[Size]Cable railing kit for 1/8inch 5/32inch 3/16inch cable railing posts. Overall Length of Sleeve = 13/32inch, Flange Diameter = 21/32inch. The range of metal posts hole size: 13/32inch to 15/32inch. Cable railing kit protector sleeve rubbers fit for most cable railing metal posts. [Applications]These cable railing protector sleeves fit for 1/8inch 5/32inch 3/16inch stainless steel cable, preventing any moisture from getting inside a metal post. Also can avoid contact between the cable and railing brought about by abrasion and noise, increase the service life of the railing. [Material]Our cable railing kit protective covers are made of High-quality materials. which has high toughness, flexibility and compatibility, waterproof and corrosion resistant. ensuring they will last as long as your stainless cable. It is corrosion-resistant which makes our balustrade hardware suitable for coastal installation. Cable railing system requires hardly any maintenance. [Easy to install]Invisible Opening Design. Without cumbersome steps and tools, It can be easily installed to save installation costs, which can make the cable railing quickly put into use and make your railing posts more neat and beautiful. Material: rubber colour: Black Package Contents: 100 x Cable Railing protector sleeves Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.