2. 4 gauge in 1. The router table gauge set can be used as a height gauge, a depth gauge, square stack gauge, and an angle gauge. It is a combination of traditional depth and height gauges and traditional building blocks 3. Accurate setup block height gauge set sizes: 1/8Inch, 3/16Inch, 1/4Inch, 5/16Inch, 3/8Inch, 7/16Inch & 1/2Inch. The gauge blocks can be used individually, stacked, there are hundreds of combinations, enough to meet your different needs 4. 7pcs miter gauge tool made of aluminum alloy, anodized with a smooth finish can better Safeguard your hands, router bits and table saw 1. Each block has a different height in the 7pcs gauge block set. It can measure fixed depths, heights, or stack them by their thickness for a wide variation or sizes. Very flexible and practical 5. The woodworking setup blocks with excellent Light beam technology carving labels, Clear never fades, which makes it easy to read., Weight: 0.75177631342 Pounds, Manufacturer: Ehwisbe