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