Q: How far can it reach?
This beam compass lays out circles and arcs up to a 36" radius using its two included rod sections, and additional rod sections, available in pairs, extend that reach further for larger layouts.
05N3005 - Veritas Beam Compass
A beam compass (or trammel) offers longer reach and easier adjustment than an ordinary compass. This update of our beam compass is made largely of stainless steel, providing it with improved toughness and rust resistance, not to mention a more modern look.
The beams have threaded ends that let you link them together for longer reach. Just the base section of the beam compass deals with circles from 3" to 24" in diameter. The included two 12" sections take it up to 72" in diameter, and additional sections are available in pairs to let you create arcs of greater radii.
Two options are provided for marking: a steel point suitable for scribing wood or soft metals and a holder for standard pencils. A micro-adjust attached to the center point lets you fine-tune the radius by up to 1/4", with a redesigned mechanism that allows precise adjustments while limiting backlash.
A pencil tip, available separately, holds an included 2mm thick, 25mm long HB lead that marks a dark line and holds a bevel edge well. Additional leads, in packages of 10, are available separately or as a set with the pencil tip.
This beam compass lays out circles and arcs up to a 36" radius using its two included rod sections, and additional rod sections, available in pairs, extend that reach further for larger layouts.
It mounts its points on a long rod instead of two hinged legs, giving it a longer reach and a steadier hold at full extension than an ordinary pivot-style compass.
Yes, the steel scribing point is suitable for scribing soft metals such as brass and aluminum, along with most plastics, though it isn't hard enough for glass or hardened steel.
The micro-adjust narrows or widens the setting between points by about 1/32" per turn, within a total range of 1/4", which makes it easy to sneak up on an exact radius.
The included holder accepts standard pencils. We also carry a pencil tip which comes with a 2mm thick, 25mm long HB lead for dark, consistent lines; replacement leads available separately.
| Materials | Stainless steel; steel scribing point |
| Dimensions | 36" maximum radius with included rods; 1/4" micro-adjust range |
| Includes | Compass head assembly; rod sections; scribing point; pencil holder; hex keys |
| Package Quantity | 1 item |
| Country of Origin | Canada |
| Warranty | Lee Valley Satisfaction Guarantee |
WARNING: This product can expose you to chemicals including Chromium (hexavalent compounds), which is known to the State of California to cause Both. For more information, go to www.P65Warnings.ca.gov (opens in new tab).
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Veritas Beam Compass
A beam compass (or trammel) offers longer reach and easier adjustment than an ordinary compass. This update of our beam compass is made largely of stainless steel, providing it with improved toughness and rust resistance, not to mention a more modern look.
The beams have threaded ends that let you link them together for longer reach. Just the base section of the beam compass deals with circles from 3" to 24" in diameter. The included two 12" sections take it up to 72" in diameter, and additional sections are available in pairs to let you create arcs of greater radii.
Two options are provided for marking: a steel point suitable for scribing wood or soft metals and a holder for standard pencils. A micro-adjust attached to the center point lets you fine-tune the radius by up to 1/4", with a redesigned mechanism that allows precise adjustments while limiting backlash.
A pencil tip, available separately, holds an included 2mm thick, 25mm long HB lead that marks a dark line and holds a bevel edge well. Additional leads, in packages of 10, are available separately or as a set with the pencil tip.
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