SKU : 44102
Just center the crosshairs in the black circle, put your pencil into any hole & draw a circle with a radius of 10-110mm. Great for astronomy projects or making circles, semicircles or arcs. Completely child safe, no sharp points.
Circlemaster-Circle Drawing Tool, Plastic
Phone: (519) 746-4761
Fax: (519) 747-5636
Toll-free: 1 (877) 746-4764