SECO 360° Sliding Prism Set

The prism is mounted on 9 mm diameter poles and can be slid along the pole.
The prism consists of seven silver plated mini prisms with the diameter of 12,7 mm in a 360° configuration.
Prism constant +2mm. An adjustable circular vial is added.
The pole consists of 4 red-white mini poles (diameter: 30 cm) The colour changes every 5 cm.
The prism can be mounted on the pole within the range of  7.5 - 125 cm.
A special spring-loaded detent protects the prism from collapsing, even when it is not locked.
Special grooves on the pole permits the prism to be locked at each colour interval.
Weight: 0.80 kg

The pack includes: 
360° Prism
4x poles 30 cm (total 120 cm)
Stainless steel point
Adaptor
Transport case