This digital protractor/rule allows you to precisely set and measure angles in 0.05° increments. The stainless steel arms are graduated in 1/8" 1/16" 1/32" and 1/64" for convenient and immediate linear measuring. Features a hold function ensuring you never lose your reading and a reverse reading capability for those hard to calculate angles. The protractor measures angles from 0 to a full 360°. Packaged in a protective plastic case with an extra battery. Features ul style"margin-top0px; padding-top 5px; padding-bottom 5px;" 12" rule large lcd display graduated stainless steel arms for measuring measuring range 0-360° accuracy +/- 0.2" convenient hold function