Draper 250mm Magnetic Boat Opti-Vision™ Torpedo Spirit Level Draper 250mm Magnetic Boat Opti-Vision™ Torpedo Spirit Level Expert Quality, heavy duty cast aluminium level torpedo level with highly visible horizontal ‘Opti-Vision’ solid acrylic UV resistant vial set into the angles surface, one solid acrylic vertical vial and one angle finder solid acrylic vial all set within tough red housings for maximum visibility. Electrostatically epoxy powder coated and baked for maximum protection, shock absorbing end caps. The base has a finely milled surface, a V-groove for levelling pipework and two inset rare earth magnets. Accuracy 0.5mm per 1M = 0.029° in standard position.
