
[HIGH QUALITY MATERIAL]: Protective sleeves made of high quality 316 stainless steel, super durable, with anti-corrosion and anti-rust functions [SIZE INFORMATION]: Sleeve length: 0.78". Sleeve inner diameter: 0.21". Socket outer diameter: 0.275". Flange diameter: 0.47" [FUNCTION]: These stainless steel protective grommets can prevent the cable from wearing out in the post and maintain proper tension of the cable railing over time [EASY TO INSTALL]: You don't need to use any adhesive and the railing cable can easily pass through the hole. It is recommended to use the included drill bit to drill holes [WIDE APPLICATION]: Widely applied for wood posts, deck railings, stair railing handrails, etc.