Use this system to quickly set up, adjust, and check the accuracy of your store's tools. Check table saw blade and fence alignment, arch and blade runout, chamfered slot blade square, arch/chuck runout, connection head/shredder head to table parallel, connection/shaving knife alignment, outside table alignment, router/ Reshape spindle runout or any other setup or calibration measurement you want. The A-LINE-IT basic kit is the perfect kit for hobbyists and small shops. The 1-inch capacity dial indicator is read in 0.1-inch increments for absolute accuracy. Automatically adjust the angled slot rod, with horizontal screw and spring plunger, perfectly fit your angled slot. The dimensions of the dial indicator mounting rod are 1.91 cm x 1.91 cm x 1.97 cm, and the bevel groove rod dimensions are 1.99 cm x 1.91 cm x 1.95 cm. Equipped with hardware and hex wrenches for assembly, to get the best performance and accuracy from the woodworking machine. colour: red Material: aluminum alloy Package Contents: 1 x A-Line It Basic Kit Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.