These are 3 position Hoffman Tactical Super Safeties CNC machined out of 4140 Steel Alloy with a Rockwell of HRC 60. Finished in Black Oxide. Comment below or DM me for details. Cam, Lever, and, Stainless machined Detent Only. I guarantee these parts to be high quality. I accept discreet goods and services PayPal-+3%, goods and services +-3% Venmo, or Cashapp.