Radius Marker, Medium, 50 in Circumference ORS NASCO no tool needed|Spare cutter wheel

no tool needed|Spare cutter wheel included in the knob|Made from high-strength zinc alloy

Precision made of flexible heavy-duty fiberglass with embedded

Full synthetic graphite|Superb arc starting and stability|||

Fully insulated spring|Integral grooves|Integrated jaw pattern for multi-position electrode holding||

the extractor's grip increases|Extractor size and recommended drill bit size are etched on each tool|

Radius Marker, Medium, 50 in Circumference ORS NASCO no tool needed|Spare cutter wheelPrecision 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