Aluminum alloy material, three shapes can be freely changed, easy three-in-one drilling, long drill sleeve, more accurate and wear-resistant. The slide is in direct contact with the plate to improve stability; Add multiple alignment lines, which can be easily aligned to reduce the workload and effectively improve work efficiency. Two types of convenient assembly + quick clamping Two types of assembly and quick clamping, both sides of the block can be easily adjusted, the edge of the hole board is simpler, hole punching is easy and accurate. Double-sided ruler + veneer slide, the ruler can be aligned on both sides to reduce errors, and the veneer slide can be firmly fixed to the plate to reduce shaking during drilling.