Item Type: Height Gauge Set_x000D_Specifications: 1mm, 2mm, 4mm, 6.5mm, 8mm, 16mm, 18mm, 32mm, 25 x 50 x 100mm (1/16in, 3/32in, 1/8in, 5/32in, 3/16in, 7/32in, 1/4in, 5/16in, 3/8in, 1/32in, 7/16in, 15/32in, 1/2in, 23/32in, 3/4in, 1x2x3in)_x000D_Block Length: Approx. 100mm / 3.9in_x000D_Accuracy: 0.001in 1MAIN FUNCTION: With these setup blocks, it only takes a short time to set the height of fence, blade position and other tools, which is convenient and practical. 2MULTI SPECIFICATION: Including 9pcs height gauge blocks of different specifications, which can be used alone or combined to achieve different measurements. 3ALUMINUM ALLOY: These setup blocks are made of anodized aluminum, corrosion resistant and wear resistant, and can better protect the milling cutter and saw. 4LASER SCALE: Each block is provided with a laser etching scale to facilitate the selection of appropriate size, ensure accurate and reliable measurement. 5STORAGE BOX: Equipped with a storage box, which can store these aluminum alloy setup blocks well, facilitate classification, provides more strict protection.9 x Height Gauge Blocks 1 x Storage Box