Technical Specification Item Plunger Type Hand Retractable With Out lock Material Steel Spring Stainless Steel Finish Zinc Plated Clear Chromate Body Width (In.) 0.25 Body Length (In.) 1.13 Thread Size 3/8-16 End Force Initial (Lb.) 0.025 End Force Final (Lb.) 1.25 Force 0.25 Initial, 10.25 Final Function Fully Retractable Plunger, And Designed For Applications With Limited Space Plunger Dia. (In.) 0.25 Plunger Travel (In.) 0.3 This listing is for pkg. of 2.