Size: inner diameter 34mm 1. Our flexible end caps work perfectly to avoid scratches on the kitchen or on the parquet, as flexible protective seals for metal chairs, patio furniture, bench legs, table tips, stool heads, screw heads or nails, or for covering any post or round hole. The protective cover of the wire is made of vinyl rubber, flexible and insulated. Can be widely used for furniture, electricity and so on. The material, of good quality and durable, has a long service life. 4. Ideal for covering screws or other threaded parts. Specifications:Inner Diameter:34mm Color: Black Material:Rubber Package Content:10 x Screws