- Description
-
Details
Incorporates a scale from 0° to 120° in 1/2º increments.
Two centre dots are provided, one on each blade.
With the aid of dividers, the rule can be set at any angle, or an existing angle can be determined line of chords.
Circumference scale indicates the circumference by measuring the diameter.
Packed in display wallet.
600mm (24 in) Length.
Sub divided mm and line of chords scale one side.
Sub divided mm and circumference scale in mm other side.