1. Clear, EasytoRead Marking: These 14piece setup blocks feature unique, brighter colors and white laserengraved labels on three sides. The clear text never fades and is legible, making them for table saws, routers, and other cutting machines. 2. UNMATCHED PRECISION: Each adjustment block in the 14piece gauge set has a different thickness. The thickness, height, and depth of each gauge are identical in size. They can measure fixed depths and heights or be stacked according to their thickness for a wide range of variations or sizes. flexible and practical. The gauge blocks can be used individually or stacked, offering hundreds of combinations—enough to meet your diverse needs. 3. VERSATILE AND PRACTICAL 4IN1 SETUP BLOCK: The thickness, height, and depth of each size of the gauge bars are identical. The gauge blocks can be used individually to measure fixed depths, heights, and thicknesses, or they can be stacked into hundreds of combinations to suit your varying requirements.