This rubber finger groove insert fits under any gm 1911-style government side panel grip adding rubber finger grooves for comfort and better handling.It allows the user to use any type of side panel grips (wood simulated ivory pearlite etc.) and because the side portion of these grips is only 1mm thick the overall width is only minimally affected.Type: Finger Groove InsertFirearm Type: 1911 GovernmentMaterial: RubberFinish: BlackAdjustment Type: No