1. Our Depth Measuring Ruler can be quickly gauging either the thickness of the material or inside dimension of a joint, the opposite
2. End of the Gaps Gauge is perfectly set to the required size fit for the other half of the joint.
3. aluminum material, durable and long service life
4. The scale can provide clear reading which is convenient to use
5. Whether it is a table saw, miter saw, cantilever saw, push saw, engraving table or other tool to cut the slot, it can be used to adjust to the required slot size.