Features Reliable Material: These ball plungers are made of 304 stainless steel material for high strength, which can provides good corrosion resistance in many circumstances Wide Application: These spring plungers are widely applicable for clamps, molds, mechanical devices, mechanical industry fasteners, pneumatic tools, automatic machines, etc Ten Plungers: There are total ten pieces of ball plungers in one set for many projects, which can meet your basic demands Easy to Use: These stainless steel plungers are convenient to use, just press them in for fastening; They are great parts for providing pressure and accurate positioning Intimate After-Sales Service: Please feel free to contact us by e-mail if you have any issue about the item; We will try our best to give you a satisfactory reply within 24 hours Package List