Artway Large Bow Compass – Extension Beam & Pen Attachment

Artway large bow compass with extension arm beam and pen attachment.Compass Length 170mmCircle diameter: 350mm (without extension), 585mm with extensionSpare leads includedSpring operation for easy quick setting – centre wheel for precise measurementPen adapter supplied – fits a 12ml diameter pen or pencilContained in a plastic case with hinged lid