Durable heavy duty router table insert plate made from strong metal for long lasting use. It resists rusting and deformation, is wear resistant and impact resistant, and remains reliable over years of service. Improves work efficiency with a complete cutter insert kit. Includes 4 different cutter insert rings and screws to meet various requirements, making setup more convenient and saving time and effort. Wide compatibility and precise fit. The plate measurements are provided in both inches and centimetres, with the bit positioned at 0. This aluminum router mounting plate fits most trim cutters. It also features two different red caps to accommodate different drill sizes. All purpose and ready to use. Includes 4 cutter insert rings, aluminium alloy router table inserts, and 15 screws. Suitable for both professional woodworkers and DIY enthusiasts as a versatile helper in wood projects. Practical use scenarios - Edge profiling and decorative edging on furniture and cabinetry - Grooves, dados, and trenching in panels - Template routing and pattern work using different insert ring sizes