Made out of 416 stainless steel.

• .75''Ø Brakes have a 1/2''-28 thread.
• 1''Ø Brakes have a 5/8''-24 thread. 
• Rear-most set of holes angled forward 45deg
• Comes standard with .25"Ø pilot hole
• Effective & Classic design still relevant for some rifles and applications