Check the listing for details. INNOVATIVE COMPONENTS GI1/2S1.5-B-TR6 Quick Release Pin,Short Tip,Rounded T 3CRN. Condition: New. Listed at 9.99 USD. Weld Mount Retractable Spring Plunger, Thread Size 3/8-16, Thread Length 0.375 in, Nose Shape Short, Plunger Material Steel, Plunger Projection 0.563 in, Mounting Type Not Applicable, Body Length 1.81 in, Final Nose Force Not Applicable, Flange Thickness 0.22 in, Initial Nose Force Not Applicable, Overall Length 3.73 in, Plunger Width 0.5 in, Thread Pitch 0.063 in, Handle Type Rounded T-Knob, Body Finish Zinc, Body Material Steel, Handle Color Black, Handle Material Polypropylene The rounded T-knob pop pin with weld-on barrel from Innovative Components provides a quick, convenient way to adjust height or length on many applications. Case-hardened zinc-plated steel for strength and durability. Nonleaded, nonplated steel barrel for welding is included.