Thread Sizes: 1/4-20 Material: Stainless Steel Thread Length: 13/16 End Pressure Start (lbs.): 1 End Pressure Full (lbs.): 2.5 Body Length: 1-1/8 Nose Diameter: 0.156 Projection: 1/4 Locking Element: Yes Ring Outside Diameter: 1" Category: Steel with Delrin Nose