Mini protractor (Shinwa)

SHINWA Mini-Protractor with halfround base and two blades. This pocket sized protractor has a measuring area 0 - 180°, with locking screw, steel body/base and blades chrome plated essentially glare-free, graduation deeply edged.

Size of bow: D = 40 mm
Length of blade 100 mm
Length of graduation on blade 100 mm