Description: Made from high quality solid brass and hardened steel. Marking/cutting gauges are indispensable when marking out precision jointery. Solid brass 1.97inches / 5cm diameter micro adjust lockable head, knurled adjustment knob and tail. Hardened 0.39inches / 1cm diameter round cutter easily slices across wood grain. Depth of adjustment is up to 6inches / 150mm, used for marking straightened lines on wood. Specification: Material: Copper Alloy Color: As Pictures Shwon Size: Approx. 20x5cm / 7.87x1.97inches Package Includes: 1 Piece Woodworking Wheel Marking Gauge Note: Please allow 1-3cm error due to manual measurement, pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item, pls understand, thank you