1. E-Clips are a must have in many situations and are ideal for a variety of securing tasks. Anyone who has worked with this style of clip knows they are very easy to lose when working with, so having a good selection of replacements at hand is a real good choice! 2. Each clip is constructed of durable spring steel and has a black oxide finish to resist rust and corrosion. The complete set of durable snap rings comes organized in a divided case for easy portability, storage and quick identification. 3. Making this kit ideal for car,home, shop and maintenance facilities.