Horex protractors angle setting 0 180 link length 150200300mm horex 2406 516 the horex protractor angle setting 0 180deg link length 150mm represents the cutting edge of high class measurement technology and has been designed for drawing radial lines and angle measurement in the process making it ideal for use with sheet metalwork manufactured to a high standard with a special steel satin chromed and featuring a clear readable scaling along with a lock screw horex 2406 516 protracto