Use our exclusive block and thumb screw to turn the square into! Set the to any marks and For repetitive marking to saving time and money Make flat work Our patented rotating fence easily pivots from 90 or 180 degree for accurate flat work A changer for carpenter, metal worker, and floor worker High visibility, resolution And finally, a fully fence Ergonomic, and left-hand friendly A dimensions of possibility and make your job easier Three readings and 45 For a quick read, Manufacturer: Oxxggkao