1. UNMATCHED PRECISION: Each gauge block in the 14piece set has a unique thickness. The thickness, height, and depth of each gauge are identical. It can measure fixed depths and heights or be stacked according to thickness for a wide range of variations or sizes. flexible and practical. The gauge blocks can be used individually or stacked, offering a wide range of combinations to meet diverse needs. 2. CLEAR, EASYTOREAD MARKINGS: These 14piece setup blocks feature unique, bright colors and white laserengraved labels on three sides. The crisp markings never fade and are legible, making them suitable for table saws, routers, and other cutting machines. 3. FLEXIBLE AND PRACTICAL 4IN1 GAUGE BLOCK: The thickness, height, and depth of each size are identical. The gauge blocks can be used individually to measure fixed depths, heights, and thicknesses, or stacked in a wide range of combinations to suit varying requirements.