Alloy backed adjustment plate. Multi adjustable for canter & height. These can be fixed to almost any gun, shotgun, rifle and airgun, but depending on stock size, depends how much is needed to grind and sand down, but well worth it in the end.
 
Adjusts up/down by 50mm
Base Max width 46mm
Base Length 128mm
Distance between screw holes 97mm
Depth including rubber and 2 plates 27 - 41mm
Weight 210g