The scope of delivery is subject to the first picture, other pictures are the display effect. Made of impact resistant plastic. With side-by-side, T-joint and side-by-side joints, it is very suitable for drilling and repairing wood joints in woodworking. Quick Positioning: The quick stud clamp can be self-centered on the board to achieve fast and accurate positioning and connection. Adjustable Position - The position of the baffle can be adjusted as needed. The adjustment range is 0-50mm, suitable for 6/8/10mm drill bits. The thickness can be used for cards up to 31mm thick and for cards up to 1-1/4 thick. Widely used for woodworking drilling, used for most hand drills and electric woodworking drills. Specifications: Material: plastic + metal Color: yellow, blue, green, black (optional) Usage: Wood drill bits Brush: 6/8/10mm Hole size: 200 x 72 x 86mm How to use: 1. Adjust the tilt angle of 39 mm. positioning scale to determine the distance between the first block and the second block and the edge of the board. 2. After fixing the position, select the drill bit corresponding to the drill guide to start drilling. 3. After drilling three holes, remove the nuts from the scale. 4. Use the locating pin to fix the hole on the third hole (make sure the distance between each hole is the same). 5. Drill all holes straight. Package content: 1 x woodworking. The delivery color is subject to the first main image. Please allow slight deviation in the measurement data and make sure you do not mind before ordering. High quality shop for you