Based on this product's specifications, here are some alternatives and similar models
Wood Milling Cutter GEKO 35 x 57.5 mm for Recessed Boxes (model vx5325)
Summary description:
Carbide-tipped wood milling cutter GEKO, size 35 x 57.5 mm, designed for routing recesses for electrical or junction boxes. Model vx5325 fits plunge or hand-held routers and provides a defined diameter and depth for creating flush pockets in timber, plywood or similar materials. Use for installing recessed boxes, switches and sockets with consistent cutting performance.