Adjustable Cheek Piece hardware.  Precision machined aluminum and stainless steel parts.  Aluminum is black anodized and stainless is blacked with Chrome Sulphide for low visual profile, added corrosion resistance and uniform appearance. 

Hardware set ships with all parts necessary to complete the installation.  

Note:  This hardware is designed to be installed by an experienced person with adequate tools and equipment to complete the necessary cuts and holes.