1.Our flexible end caps work great for preventing scuffs on kitchen or wood floor, as pliable protective seals for metal chair tips, patio furniture, bench feet, table legs or tips, bar stools, screw or nail heads, or to cover any round pole or hole2.Thread protector cover is made of vinyl rubber material, flexible and insulated, can widely application to furniture, electricity and so on3.Rubber plug cover tip caps are made of soft material, good quality and durable, have long service life4.Perfect for covering screws or other threaded parts Specification:Inner Dia : 4.5mm,5mm,5.5mm ,6mm,7.5mm ,,8m，10mm,12mmColor : BlackMaterial : Rubber Package Content:.