Check the listing for details. 7 - 15 pcs Setup Blocks Woodworking Height Gauge, Precision Aluminum Setup Bars. Color: Black, Condition: New. Listed at 20.98 USD. 【High Quality】: The setup blocks height gauge set is anodized and made of solid aluminum material, preventing it from bending or rusting. The set up block set is more durable and sturdier than the plastic set.【Size】: Each set up gauge block is 3-inch long. The sizes of 15 pcs setup blocks for woodworking are 1/16", 3/32", 1/8 ",5/32" ,3/16" ,7/32" ,1/4" ,5/16" ,3/8" ,7/16", 15/32", 1/2", 23/32", 3/4", 1x2x3" with 0.001" accuracy variation. Making different combinations by stacking the setup bars freely creats a wide variaty of sizes, up to 100 combinations of sizes.【Clear Marking】: The setup bars with durable laser-engraved markings keep the labels from smudging, fading, and disappearing. You are able to read the measurements clearly for years. The size labels of the gauges are marked on different sides to help you read and measure quickly and conveniently.【Easy to Use】: Setup block bar gauge can easily adjust the height of the fence, table saw, blades bits & other cutters to accomodate the needs. Using setup blocks is faster and more accurate than using a combined ruler to do the measurements.【Upgraded Storage Box】: To keep all your setup block bars safe and organized, they come with an upgraded plastic storage case with a portable handle to ensure it is easy-to-carry for our customers during transportation.