The pof-usa ambidextrous safety selector is a drop in upgrade designed to increase the shooters options and maximize the efficiency of taking the rifle from fire to safe.Installation of this product is nearly identical to installing a standard selector, the only difference is once the selector is installed you will need to attached the right side lever using a 3/32 hex key.Finish: BlackType: Safety SelectorModel: Safety SelectorDimensions: 1.50" x 1.50" x 1.50"Material: PolymerHand: Ambidextrous