Plunger, Ball, 303 Stainless Steel, Ball Material 440 Stainless Steel, 302/304 Stainless, Body Width 1/4 In, Body Length 17/32 In, Ball Size 0.125 In, Ball Travel 0.035 In, Plunger Travel 0.25 In, 1/4-20, 4.00 Initial, 12.00 Final, Function Smallest And Lightest Spring Loaded Devise, Side Tolerant, Controlled End Forces, Package Quantity 5 Ball PlungersSmallest and lightest11 spring-loaded devices with controlled end forces. Offer a short travel range and high strength in side-load applications. Ball material for steel plungers is 404 stainless steel; for stainless steel plungers, ball is 440 stainless steel. Use zinc plated for light end forces, and black oxide for standard end forces.Sold in pack of 5 Choose plungers either: with locking element or without locking element