Dial Pitch Gauge K10390A-1Instructions:Smart design, small size, built strong for easy and reliable use.Supports blade sizes from 300-700mm ,blade width 62mm with a pitch range of ± 15°.Laser geared dial for pitch selection to an accuracy of 0.01 degrees.Use for T-REX 450/500/600/700.Specification:pitch gauge:+15/-15Dimensions:length162.0mm,width60.5mm,height18mmWeight:58g