T-4 Water Cooled Sharpening SystemThe Tormek T 4 is a second generation compact sharpening machine. Unlike the previous T 3, all the vital functions of the T 4 including the motor, main shaft and mounting supports for the Universal Tool Support are now integrated in a zinc casting. The result is a significant improvement in stability and precision for the Universal Tool Support, which is the base from which all Tormek Jigs operate. The Tormek 8" (200 mm) original grindstone is