For all you makers, machinists, and DIY enthusiasts, this set of ball spring plungers is about to become your new favorite tool! You get 10 pieces of M6 threaded plungers made from durable carbon steel that can handle serious use without wearing out. These little guys are perfect for providing precise positioning and consistent pressure in all kinds of projects. The hex socket design makes installation super easy - just use an Allen key to screw them into place. They come in various lengths including M6*8, M6*10, M6*12, M6*16, M6*20, M6*25, and M6*30, giving you flexibility for different applications. The spring-loaded ball design provides just the right amount of resistance and positive positioning that's crucial for mechanical devices, clamps, molds, and automated machinery. Whether you're building jigs, setting up production equipment, or working on custom projects, these plungers ensure accurate repeatability and reliable performance. The carbon steel construction means they're sturdy enough for industrial use but priced right for hobbyists. Installation is straightforward and user-friendly - no special tools needed beyond basic workshop equipment. Having a set of 10 means you can tackle multiple projects or have spares on hand. The quality is immediately noticeable with smooth operation and consistent spring tension across all plungers. If you work with machinery, automation, or precision equipment, these are an absolute must-have that'll make your life so much easier!