Tormek TNT-300 Woodturner's Instruction Box contains an 80 minute DVD and a handbook on the Tormek TNT sharpening system. It shows how to shape, sharpen and hone all your turning tools. The film is made by Jeff Farris and the handbook is written by Torgny Jansson, the inventor of the Tormek Sharpening System. The Instruction Box comes with the Woodturner's Kit TNT-708 and can also be purchased separately. The kit contains all accessories you need to use the Tormek TNT sharpening system.