Essential workshop companion for routers tables, table cut, and milling machines in garages or professional woodshops Accuracy engineered aluminum height gauges ensures accurate measurements from 3 26mm with ±0.01mm tolerance, perfect for woodworking and routers adjustments Lightweight yet strong anodized aluminum construction resists deformation while maintaining clear royal / metric scale for quick readings multifunction fishbones structure accommodates multiple tool size ( 5 " 12 "), streamlining measurement tasks across woodworking projects designs for professional woodworkers and enthusiasts needing stable measurement tool for workshop equipment calibration, Manufacturer: ljhnba