This aftermarket pack of 4 piston bumpers is a great replacement part for Metabo Hitachi framing and coil nailers such as NR83A, NR83A2, NR83A3, NV83A, and NV83A2. The bumper is made with high-quality materials and is designed to provide long-lasting performance. It fits perfectly and is easy to install, ensuring your nailer works smoothly and efficiently. This white piston bumper is manufactured in China and is suitable for use in air nailers and staplers, air tools and air compressors, and can be used for various projects in your home and garden.You get 4 bumpers for this price.