10pcs M4 Screw Thread Hex Socket Carbon Steel Ball Spring Plungers Set (M4*8)

【CARBON STEEL】 Our ball pistons are made of carbon steel, both sturdy and 【ESSENTIAL PARTS】 Spring loaded pistons are excellent parts to provide precise pressure and positioning. 【10PCS】There are a total of 10 pieces of plunger pistons in one set that you can use for many projects. 【Easy installation】 The ball plunger is easy to install and use. Wide application: our spring piston is widely applicable for mechanical appliances, pliers, molds, automatic machines, etc., Weight: 0.0220462262 pounds, Manufacturer: Hililand