As finishing caps, they cover any scratches, burrs or distortions that may result cutting operations. In addition, they also provide protection against injury rod and tubing edges. Made PVC "rubber like" that will hold up for years of use. Features - Color: Black. - Size: 2.00X1.00X1.00cm/0.79X0.39X0.39 inch. - Material: PVC. - These are protective closures which are for use as thread protectors, and seals, and end, and for masking during painting or plating operations. - These rubber end caps are made of new PVC material, which is recyclable and , and also has and wear-resistant characteristics, fine workmanship, luster, and good elasticity and insulation. - These rubber end caps are not only wear-resistant and , but as a protective cover, they can wrap the screws intact, against and rust, and extend the life of the screws. - Widely application: choices for covering exposed screws, bolt, nail heads or other threaded parts, round tubing, furniture feet and so on. - Simple, convenient, wear-resistant, easy to install. The PVC material is and elastic. We recommend choosing PVC end that is slightly smaller than the outer diameter of the product to ensure it could be tightly protected. Package list: 200 x thread protector covers