VERSATILE CIRCLE CUTS 10" to 53": Our router circle cutting jig allows you to cut perfect circles from 10″ up to 53″ in diameter, supporting everything from small tabletop inlays to large table tops or storage boards. EASY OPERATION with DUAL PIVOT PIN SYSTEM: Includes two center pivot pins, one for visible center holes and another for hidden - plus a recessed groove for smooth sliding and accurate diameter adjustments for smooth pivotring and precise cuts. LIGHTWEIGHT & DURABLE ACRYLIC BUILD: Clear acrylic construction prevents chipping and breakage better than MDF, while our transparent design improves visibility for more controlled and confident cuts on various woodworking router applications. MULTI ROUTER COMPATIBILITY: Includes mounting hardware for major brands on our fitment chart (Bosch, Makita, DeWalt, Porter‑Cable, Milwaukee, Craftsman). If drilling holes is preferred, additional holes can be customized to fit virtually any router. PACKAGE INCLUDES: (1) Circle cutting router jig with center pivot pin, (2) Insert pins, (1) Locking knob and mounting screw pack, (1) Fitment Chart for compatible routers 40 YEARS WOODWORKING EXPERTS: POWERTEC manufactures high quality best selling woodworking products from machines, accessories, measuring equipment, and tools. Each product is meticulously designed to exceed your needs and get projects done!, Manufacturer: POWERTEC