Accessory inner plate template for use with the Drainer Groove Pro jig to create curved fan drainer grooves in solid timber and solid surface worktops. Made from 12mm hardwearing CNC machined Compact Grade High Pressure Laminate. Requires suitable plunge router with 30mm guide bush and R9.5mm cove cutter with long shank. Must be used with the DG/PRO jig frame to maintain 0.5 degree fall.