Professional Precision Measuring System Kit — Help your miter saw, radial arm saw, drill press, table saw and other saws to build a durable, versatile, efficient, reliable and precise cutting system. Simply use the precise lens cursor to position the stop at the size you need, place your board against the stop, and then make time-saving, precise and repeatable cuts. Perfect Design — Production Stop has dual lens cursors for accurate and convenient use on both sides of the saw blade. Simply drops into the track from the topside, allowing it to be quickly removed and repositioned. Swing Stop has a lens cursor for fast, precise positioning. Easily swings it back or out of the way without complete removal. The integrated lens cursor magnifies measurements, using a small plastic set screw for easy adjustment and has a red hairline indicator for maximum accuracy. Easier Work — Includes (4) 2ft [610mm] pieces of top trak, (1) production stop, (1) swing stop, (2) 12ft self-adhesive tape measures (L-to-R reading and R-to-L reading), (1) set of necessary hardware and manual. Self-aligning L-shaped mounting foot for easy installation to any 3/4-inch thick fence. Just drill 1/8" holes through the back of the extrusion and secure with the included mounting screws. Superior Quality — Premium grade CNC machined aircraft grade anodized aluminum, high precision and hardness, strength and durability, anti-corrosion and anti-rust, anti-impact and anti-deformation for a long-lasting reliability. World class advanced technology carefully crafted to meet your needs and toughest works at home, in the field or in any situation. 100% Satisfaction Guarantee — If you're not 100% satisfied with our hammers, simply return it for a full refund in 30 days. Support 12 months’ Warranty.