Description
- These adjustable clamp on trammel heads are the perfect tool to measure, mark or scribe circles or arcs outside the range of those that could be produced with a standard compass. Unlimited arcs can be made using your custom-length shop-made beam.
- et comes with two trammel heads. Both points can be removed and will accept standard wooden pencils Heads are made from tough cast zinc
- The points are ground sharp and hardened to allow scribing on steel, sheet metal or aluminum


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