1. 3Sided Laser Engraving: Each gauge block features laserengraved markings on all three sides, providing clear and longlasting indicators. They remain wearresistant even with prolonged use, allowing you to quickly and accurately read measurements at any time. 2. Quality Aluminum Alloy: These setup blocks are made from a lightweight yet durable aluminum alloy, significantly enhancing wear resistance and durability, making them ideal for longterm, intensive use. 3. Available in Various Sizes: The gauge blocks come in multiple sizes, including 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', and 3/4', with an accuracy of 0.001' to meet diverse precision measurement needs. 4. Precision Multifunctional: This 14piece set is designed for a wide range of woodworking applications, serving as a height gauge, depth gauge, angle finder, and protractor.