Draftex Springbow Compasses are known for maintaining their accuracy. This is achieved by the action of the circular shaped spring (the bow) at the head of the compass. It keeps a constant tension on the adjusting wheel and thread section - forcing the compass legs outward while the wheel and threads hold them inwards. This action makes the Draftex Springbow Compass range easy to adjust and keep to the desired radius of your circle. Adjustable knee joints serve to keep the pencil point or extension bar at the proper angle to the drawing surface when the compass is either fully extended or adjusted to a small radius.  The dividers of this set have a geared section at the head that moves both legs an equal distance when adjusted. 



Masterbow Compass Set with Springbow Head For Maintained Accuracy
Length 155mm for Circles up to 210mm Diameter
Extension Bar which Extends Diameter to 450mm
Dividers 140mm with Pencil Attachment
Adjustable Knee joints
Pen Adaptor
Lead Tube
All Metal Quality German made Instrument Set

DC1247 Masterbow Compass Divider Set

$38.50Price
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