A 7piece aluminum setup block set designed for precise router and cutter setup, delivering repeatable cutting depths and accurate bitheight adjustments across a variety of workshop machines. Key benefits Achieve repeatable, exact alignment: Use fixedthickness blocks to set router bit height or cutter depth quickly and consistently, eliminating guesswork and reducing setup time. Improve accuracy across tools: Measurements from 1/8' to 1/2' ensure you can calibrate routers, table cutters, and milling machines with consistent results. Durable and easy to use: Lightweight aluminum construction resists wear and lets you stack or combine blocks for intermediate settings. Maintain workshop precision: Ideal for routine calibration to keep fences, bits, and cutters performing at the intended settings. Features and specifications Set includes 7 setup blocks in incremental thicknesses covering 1/8' to 1/2' Material: aluminum for stable, longlasting use Function: precision bit and height adjustment, alignment, and calibration for woodworking and metalworking machines Compatibility: woodworking routers and cutters, table cutter equipment, milling machines Practical use scenarios Cabinet making: Quickly set router bit depth for consistent grooves and hinge recesses across multiple doors and frames. Furniture crafting: Calibrate cutter depth for repeatable tenons, rabbets, and decorative profiles to ensure parts fit precisely. Machine setup and maintenance: Verify and adjust table cutter or milling machine cutter heights during tool changes or routine calibration to maintain production tolerances. Who it's for Professional woodworkers and hobbyists who need reliable, repeatable setup tools for routers, cutters, and small machine shops. What it solves Eliminates trialanderror height adjustments Reduces setup time and scrap Ensures consistent parttopart accuracy across multiple tools and projects