Complies with BS1685 Resolution of 5 arc minutes (1/12 degree) Fully hardened and ground stainless steel body Top mounted adjuster for fine setting whilst the unit is on a flat surface Locking lever fitted for ease of blade insertion and positive clamping Bevelled blade ends to facilitate working in awkward corners Scale plate is graduated 0-90 degrees, in both directions through 360 degrees Satin Chrome plated scale for glare free reading Magnifying lens for clear easy reading of the flush scale, preventing parallax errors Comes with protractor body, 150mm & 300mm blades, and acute angle attachment Made in UK
