Pachmayr Signature Grips, Fits 1911, Black 02921 Pachmayr Signature Grips feature a unique full wrap-around design and are made from rubber specially formulated for use on semi-automatic pistols. This rubber compound gives them a feel that is unmistakably Pachmayr. Built-in steel inserts ensure they maintain their shape. Signature Grips are the overwhelming choice of competitive shooters and law enforcement personnel alike.