Got a leaky seal or need to fix some plumbing? This 279-piece O-ring kit has you covered! It includes 18 of the most common sizes you'll need for all sorts of jobs - from car repairs and hydraulic systems to general plumbing around the house or shop. The O-rings are made from durable black rubber that can handle heat, oil, gas, water, and most solvents without breaking down. Everything comes in a handy, labeled storage case so you can find the exact size you need super fast (no more digging through a messy drawer!). Sizes range from small 3x1.5mm rings up to larger 22x3.5mm ones - check the detailed list in the description to see if your size is included. Whether you're a mechanic, DIYer, or just someone who likes to be prepared, this kit is a lifesaver for quick fixes. Keep one in your garage or toolbox!