The T-4 is an enhanced model of the T-3, … The T-4 Sharpener uses a motor rated for use 30 out of every 60 minutes. The Tormek is robust, quiet and generally well-made. Tormek review. The T-4 also comes with the WM-200 Angle Master, PA-70 Honing Compound, user’s manual, SP-650 Stone Grader for changing stone grit from 220 to 1000, Universal Support with micro adjust scale and instructional DVD. The significant improvement over the T3 is that all critical components are now housed in a cast zinc head assembly which improves the rigidity significantly. The grind is accurate and consistent. This article is a quick review of the Tormek T4 sharpening machine. By using Tormek patented jigs (sold separately), the Bushcraft T4 … The T-4 … Wheel Size — The T-8 Sharpener uses a 10" wheel. It does a great job, giving an edge straight off the grinding wheel that is a pleasure to use. In fact, the rigidity of the T4 … Tormek is known for quality and the new T4 keeps that tradition alive. If heavy grinding is not needed and you keep the jigs set up for a single bevel angle and shape, the Tormek … The Tormek sharpening device comes in three models T-3, T-4, and T-7. Unless you're running a sharpening service, the lower duty rating won't make any difference.