1、Made of 304 stainless steel material, which can provides strength and offers good corrosion resistance in many circumstances 2、Widely applicable for mechanical devices, mechanical industry fasteners, pneumatic tools, clamps, molds, automatic machines, etc 3、They are great parts for providing pressure and accurate positioning 4、Easy to install and convenient to use, simply press it in for fastening 5、There are total 10 pieces of ball plungers in one set that you may use for many projects Features: Made of 304 stainless steel material, which can provides strength and offers good corrosion resistance in many circumstances. Widely applicable for mechanical devices, mechanical industry fasteners, pneumatic tools, clamps, molds, automatic machines, etc. They are great parts for providing pressure and accurate positioning. Easy to install and convenient to use, simply press it in for fastening. There are total 10 pieces of ball plungers in one set that you may use for many projects. Specifications: Material: Stainless steel Body Size(Dia*L, excluding ball): 6mm*7mm Quantity: 10pcs Weight: 13g(approx.) Package Includes: 10 x Ball Plunger