Alvin Drafting Speed Bow Introductory Compass with Beam Bar
Model Number:
302VJ
Synchronized precision scissor-action thread system opens or closes legs to desired radius in one quick motion. Perfectly balanced and weighted for easy one-hand operation.
Features:
- Creates circles up to 12" in diameter
- Beam bar extension for drawing circles up to 25" in diameter
- Double-knee joints for parallel leg positioning
- Durable nickel-plated zinc construction in silver with black fiberglass crown and reinforcements
- Spare needle point and two leads included
- Packaged in hard, see-through plastic case
- Made in Germany
Product Dimensions:
- Outside Dimensions:
- Product Weight: 0.4 lbs.
- Would like to know how to connect beam bar. (Wes S.)
- To connect the beam bar simply remove the lead that is in the compass by loosening the knob and pulling the lead out. Then insert the smaller end of the extension bar and tighten the knob back down.
Alvin Drafting Speed Bow Introductory Compass with Beam Bar