Measurements from 1/8" to 1/2" ensures consistent calibration accuracy across multiple tool types including table cutter and milling machines Essential for cabinet making, furniture crafting, and work requiring exact alignment and repeatable cutting depths The hard anodized finish resists wear during frequent use while clearly increments simplifies complex tool configuration tasks Professional woodworkers and enthusiasts will appreciate these setup block for maintaining workshop equipment precisions Achieve precise bit and height adjustments with this 7 piece aluminum setup block set for woodworking routers and cutter, Manufacturer: MHADBKH