This 600mm folding rule is made of hardened & tempered stainless steel material and incorporates a scale from 0o to 120o in increments of 1/2oTwo Center Dots are provided, one on each blade and with the aid of dividers, the ruler can be set at any angle, or an existing angle can be determined with the line of chords. The circumference scale indicates the circumference by measuring the diameter. it also has Sub Divided mm and Line of Chord Scale on one side. On the other side Sub Divided mm and a Circumference Scale in mm is provided. Each Rule is packed in PVC pouch with instruction Leaflet.
