600 MM Folding Rule With Angle Calculation Chord
This 600mm folding rule is made of hardened & tempered stainless steel material and incorporates a scale from 0o to 120o in increments of 1/2o Two Center Dots are provided, one on each blade and with the line of chords. The circumference scale indicates the circumference by measuring the diameter. It also has Sub Divived 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.