Practical woodworking tenon gauge: woodworking tenon gauge is designed to have 1 nail on one side and 2 on the other side, which is used to draw single or double lines, and is suitable for marking, marking, and layout on joinery or other woodwork. Hard and wear-resistant brass materials: the main body of the marking scriber is made of high hardness , and the guide rail, backing and screws are inlaid with pure copper to make the scriber wear-resistant, rust-proof and corrosion-resistant. Wide adjustment range of nail space: the distance between two can be adjusted by rotating the screw knob at the top. The operation is simple. The adjustment range of 0.2 inch - 4 inch is wide enough to meet your requirements for different wood marks. brass : the brass adjusting slides smoothly, with a small handle at , which is ergonomically designed to facilitate pulling the . It is firmly fixed on the guide rail by tightening the screws, so it will not be displaced during use. Professional woodworking tools: The woodworking scriber is 6.4 inch in length, with fine workmanship and surface. It will not hurt your hands during use, helping you finish woodworking work quickly. This is a professional woodworking tool. Color: as shown Material: wood Package Contents: 1 x scribe tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.