Features: Achieve precise woodworking setups effortlessly with this 10 piece clear acrylic set, featuring waterproof construction and instantly usability for router tables and table sawing without assembly. The 3 in 1 multiple level design offers top, bottom, and end measurement point for rapid height adjustments of router bit (1/8" to 3/4") and sawing blade, ensuring accuracy with clear visibilities. Ideal for woodworkers, cabinetmakers, and DIY enthusiasts requiring reliable setup block to calibrates milling machines, shapers, or router tables for intricate projects. Perfect for workshops or job sites where quick tool alignment is needs for woodworking, edges profilings, or sawing blade height adjustments in furniture making and carpentry tasks. Crafted from quality, scratch resistant acrylic, these maintenance friendly block retain calibration integrity over time while enabling seamlessly workflow optimization. Specifications: Component: Acrylic Color: Clear Size: 170x110x60mm/6.69x4.33x2.36in Specifications(inches): 0.75", 0.625", 0.5625", 0.5", 0.4375", 0.375", 0.3125", 0.25", 0.1875", 0.125" Package Includes: 10pcs Clear Router Table Set Up Bar note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color.