【Easy to Use】Simple and firm adjustment with knurled knob, easy to use, the marking gauge is indispensable when marking precision woodwork 【Help to Improve Efficiency】The wheel marking gauge helps to improve efficiency and save time. 【Easy to Read】The engraved scale bar is clear, which is easy to read 【High-quality Material】Made of high-quality materials, with high strength and hardness, corrosion-resistant, sturdy and durable in use