Thread Sizes: 5/16-18 Material: Stainless Steel Pressure: Medium End Pressure Start (lbs.): 4 End Pressure Full (lbs.): 9 Body Length: 23/32 Ball Diameter: .156 Projection: .040 Hex Diameter: 3/32 Locking Element: No Color Code: Black Category: Stainless Steel with Delrin Ball