Consist of spindle mounted on Centers & having a spring collar for gripping straws & such like to from light levers.
The unit is fitted with assembly for the perfect cutting edge of the knife of any size up to 300mm. Automatic reversing of the knife takes place at regular intervals for equal bevel angle on both sides of its edge, and the sharpening process is across the full diameter of the rotating plate.
Folding type smooth focusing with 3 elements high definition focusing lens supported by picture sharpness compensator to achieve brilliant projection with optimum contrast. Equipped with two low voltage 24V 250W halogen bulbs with a lever to instantly shift to second provided bulb in case of sudden failure of the running one. Mini turbo cooling fan thermal cut out for safety. Writing surface 285 x 285mm. Supplied in molded luggage case.