JET offers woodworkers advanced sharpening features like torque adjustment for consistent pressure to the drive shaft, variable-dial speed control that maintains outer wheel speed regardless of sharpening wheel diameter, and an oversized reservoir for better water management. The JET Variable-Speed Wet Sharpener also provides a storage drawer for convenient jig storage. The aluminum oxide grinding wheel is 10" in diameter (2" width), for increased capacity. While the leather honing/strop wheel is 9" in diameter (1-3/16" width). Optional jigs sold separately.