Universally Aluminum Router jigs with Broad Compatibility durability, lightweight design fits most edges trimmers and engraving machines for precise circular hole cutting in woodworking projects Perfect for professional and enthusiasts seeking accuracy, this router jigs enhances efficiency for both workshop and home based woodcraft projects for circular hole cutting in cabinets, furniture, or decorative items, its anti shake aluminum base ensures stability during prolonged use With an extension rod, this cutting jigs tool supports cutting ranging up to 42mm diameters circulars Quick Install Structure enables rapid setup without additional tools, ideal for seamless transfer between tasks in tight workspaces, Manufacturer: ERRORY