Dial face and vernier finished in satin chrome for easy reading and fine adjustment.
12" blade slides full length, fastened by a knurled thumb lock whic can be set at any point. Blades beveled 45 degrees on one side 60 degrees on other.
Protractor dial graduated over 360 degrees in 0 to 90 degree sectors and rotates around the full circle. Readings to 5 min. of arc with vernier.
Price includes fitted case.