Spring Plunger, Thread Size 5/16 In.-18, Thread Length 37/64 in, Nose Shape Ball, Plunger Material Steel, Plunger Dia. 0.1560 in, Plunger Projection 0.0400 in, Mounting Type Threaded, Body Length 37/64 in, Final Nose Force 9 lb, Initial Nose Force 4 lb, Overall Length 37/64 in, Handle Type Slotted Drive, Application Controlled End Force, Side Tolerant, Smallest and Lightest Spring-Loaded Device, Body Finish Black Oxide, Body Material Steel, Retractable No, Thread Fully Threaded