10Pcs Ball Plungers 304 Stainless Steel Push Fit Ball Spring Smooth Piston 7 × 6 mm

High quality: The compression springs are made of stainless steel, which provides strength and provides good corrosion resistance in many situations. Function: They are great parts for pressure and precise positioning, very practical, with good performance and long service life. Easy to use: The spring-loaded pressure pieces is easy to install and convenient to use. Simply press in to attach, can improve work efficiency, save time and energy. Good value of money: Spring piston as an essential component of mechanical devices, this item contains 10 spring pistons that can easily replace the broken piston. Widely application: The compression spring widely used for mechanical devices, clamps, shapes, machines etc.