Microcell pads with Cervellati logo are available in 4 different combinations of thickness and density/hardness. The pads have the following dimensions but they can all be ground to fit: L 146 mm x W 46 mm.
Available colours: black, red and brown.

polyurethane sheets Download the template of these recoil pads, and compare it to your stock. 

microcell recoil pads

cervellati logo