Steel Valve Locks, 10 Degrees Standard, 5/16" Valve Stem, Radius Groove, -0.050 Installed Height, Set of 16. PAC Valve Locks. Specifications: CNC Part Number PAC-L8065-16, Price $93.35, Manufacturer's Part Number L8065-16, Brand PAC, Part Type Valve Lock, Department Parts, Lock Angle 10 Degrees, Lock Material Steel, Valve Stem Size 5/16", Custom Notice: PROP 65 WARNING