Highlight 1.[Aluminum Alloy Material] Each setup blocks height gauge is made of aluminum alloy, which is lightweight and durable to use. The engraved markings will not fade over time. 2.[What You Get] The package includes 15 setup bars of different sizes, including 15 total): 1/16inch, 3/32 inch, 1/8 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 15/32 inch, 1/2 inch, 23/32 inch, 3/4 inch, 1x2x3 inch. Each gauge block is machined to within 0.001 inch. 3.[With Size Markings] The setup bars are designed with white labels on three sides, making it very easy to read. The setup bars are stackable, which can get other sizes you need. 4.[Easy to Use] The 15 setup blocks are easier, faster and precise to measure than using a combination ruler. You can change heights and distances to use it. Detailed Product Name: Setup Blocks Height Gauge Set Material: Aluminum Alloy Color (Optional): Black, Blue Dimensions: Each gauge block is machined to within 0.001 inch. Exact size of each block (15 total): 1/16inch, 3/32 inch, 1/8 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 15/32 inch, 1/2 inch, 23/32 inch, 3/4 inch, 1x2x3 inch. Notes: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement.