Models available small size for scribing circles up to 80' diameter
Folding type design - three smallest models will fit conveniently into a shirt pocket
Sturdy friction joints maintain rigidity and accuracy, and are made from lightweight, rustproof aluminum for long wear
Soapstone crayon is included. The scribe holder will accept round, square or flat soap stone crayon, pencil or steel point scribe

Technical Details

Size (LWH): 9.9 inches, 2.5 inches, 1.5 inches
Product Details
Product Dimensions: 9.9 x 2.5 x 1.5 inches
Shipping Weight: 0.35 pounds (View shipping rates and policies)
ASIN : B002FCG77Q