The 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...
• Vital functions integrated in a zinc casting for improved stability and precision
• Functions as grinder and sharpening machine
I used this to put a perfect edge on my knives. Works really well. The stone moves slowly, stays cool, and you never have to worry about taking to much steel off your knives. I'm not sure what advantages the T-7 offers over this, but for the money, I'd call this a good value.