Invisible - These invisible swage threaded stud tension end fitting terminal can be hided in the post for pretty apprearance.Be fit for both wood and metal postMarine Grade - This invisible cable railing kit is made of 316 stainless steel, super strong resistance to rust,water and corrosion. for both outdoor and indoor applicationsCOMPABILITY:Those invisible end terminals deck railing hardware are for 1/8inch wire rope cable railing system,Swage Threaded Stud includes washer and lock nutThis deck railing hardware fits 1/8-inch OD cable of railing system,The invisible hand swage tensioners were designed for wood,steel,aluminum post on deck railing,pilot hole size = 1/8 inch,hole to drill=1/4 inchName:Invisible Threaded Terminal StudsMaterial:316 Stainless SteelColor:SilverSize:108mmPackage Contents:20pcs * threaded terminal studs1pc * wrenchOnly 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.