A precision Beam Compass Set made from lightweight aluminium with a non-glare finish and black fibre-glass fittings. Each Set is supplied with interchangeable Pencil, Pen and Divider parts. Rapid adjustment by spring loaded knurled thumb rollers. Setting can be firmly held by thumb screws. Length 660mm. Set of 2 x 330mm Bars Locking Connector & Fittings. Shank diameter 3.5mm. Supplied in a plastic case.
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