Radius Marker, Small, 22 in Circumference no-checkout Interchangeable with many other makes|Semi-automatic

Radius Marker, Small, 22 in Circumference no checkout Interchangeable with many other makes Semi automatic Interchangeable with many other makes Semi automatic pull sleeve to connect Couplers shut off when disconnected Brass medium to high strength Precision tools made of rust proof aluminum and anodized for lasting protection The arms are precisely aligned with spring tension joints to guarantee accuracy and rigidity The holder accommodates flat or round soapstone and pencils All are a folding type design the three smaller models will fit conveniently into a shirt pocket All have sturdy friction joints to maintain rigidity and accuracy