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
