Mechanics and DIYers, this 360-piece e-clip and snap ring assortment is exactly what you need for all those repair and assembly projects! You get 180 e-clips in 12 sizes from 2mm to 12mm, plus 180 external retaining rings in 12 metric sizes from 5mm to 16mm - that covers pretty much every common size you'll encounter. The carbon steel construction is heat-treated for enhanced corrosion and wear resistance, and the zinc-plated surface prevents rust even in humid workshop environments. These little clips are crucial for securing rotating parts in bearings, cylinders, gears, shafts, and all kinds of machinery. They prevent components from loosening due to vibration, which is huge for maintaining performance in automotive transmissions, sprockets, lawnmowers, valves, appliances - you name it! The transparent compartmentalized case keeps everything organized by size so you can find what you need quickly, and it's portable enough to take to job sites. No more searching through messy bins or making emergency hardware store runs - this kit has you covered for most industrial, automotive, and DIY repair needs. It's one of those tools that once you have it, you'll wonder how you ever managed without it!