225 PCS Rubber Ring Assortment Kit, Heat-Resistant & Corrosion-Resistant O-Rings with 18 Sizes, O Rings Seal Rubber Washer Set for Auto Home Workshop, Car AccessoriesAbout this item 【Practical Function】: The rubber O-ring assortment kit is designed to provide a practical solution for sealing leaks and preventing air or fluid from escaping. They can ensure a tight and secure seal in plumbing systems, hydraulic equipment, pneumatic systems, among others. 【Premium Quality】: Constructed from premium rubber, these items exhibit resistance to heat and corrosion, guaranteeing durability under diverse circumstances. The material is elastic and flexible as well. As a result, these rubber O-rings can be stretched without eventually losing their shape. 【Convenient Storage】: The transparent plastic box provided with the rubber O-ring assortment kit offers convenient storage and organization for the O-rings. The box features a hanging hole, allowing users to easily hang it on a pegboard or wall for quick access and visibility. 【Use Instruction】: Firstly, select the appropriate size O-ring for your specific application. Secondly, ensure the surface is clean and dry before placing the O-ring in position for sealing. Thirdly, press the O-ring gently into place, making sure it is properly seated to prevent leaks. 【Wide Application】: With 18 different sizes included in the kit, users can easily find the right O-ring for their specific needs, making it a versatile and convenient option for various projects. Whether you're working on a small leak in a hose or a larger gap in a machinery seal, you'll find the best fit among the various sizes provided. Dimensions: 8.27 x 4.25 x 1.14 inches