Suitable for 1/8inch 5/32inch or 3/16inch cable railing,perfect for indoor or outdoor applications. Used in wood posts to protect from cable cutting the wood and decorative applications.Keep to maintain cable rail tension for preventing wire rope vibration. High quality stainless steel T316 marine grade,high tensile strength and anti-fatigue strength Weatherproof Overall Length = 3/4inch, Flange Diameter = 1/2inch, Required Hole Diameter = 1/4inch, Drill Bit Diameter = 6.5mm long-lasting strength.Suitable for staircases, balconies and decking areas. Colour: silver Material: metal Package Contents: 20 x stainless steel protector sleeves Only the above package content, other products are not included. Note: Light 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.