Design: The wheels single-sided decline also forces the gauge face against the stock, maintaining accuracy. Transferring Dimensions: The cutting edge of the wheel is at the extreme end of the shaft, which is useful for transferring dimensions such as tenon shoulder or mortise depth. Scale: The rod of the metric version has graduations to 150mm, with scale supports fine adjustment distance for accurate scribing. Clean: The hardened steel wheel cuts wood fibers rather than tears them, which leaves a clean mark, even on cross grain. Easy to Storage: The wheel retracts into the face of the gauge for storage. Specification: Material: aluminum alloy body, anodized surface + stainless steel scale rod. Scope of application: woodworking marking. Range: 0-120mm/0-4.72inch. Accuracy: 1mm/0.04inch. Scale rod(approx): 8*215mm/0.31*8.46inch(dia*length). Body length(approx): 58mm/2.28inch. Diameter of the handle(approx): 22mm/0.87inch. Diameter of the great circle(approx): 52mm/2.05inch. Blade diameter(approx): 12mm/0.47inch. Package:1 pc * Scriber(pre-installed blade),1 pc * T15 wrench.