Optical precision bench with a triangular profile for research and demonstration experiments requiring maximum accuracy. Made of black, anodised aluminium. Tilt-proof, slip-proof, resistant to bending and twisting, equipped with a full-length scale with cm/mm divisions. Bore holes on front end for securing connecting elements for additional rails or swivel joint (U10305). Available in three designs. On request, also available in any length up to 2000 mm (inquire about price).