TORMEK T-7 is designed for the toughest work and can run continuously without overheating. You can sharpen practically all common edge tools to a perfect edge. The Tormek Original Grindstone sharpens all qualities of steel including HSS. The maintenance free industrial quality motor with ball bearings, maintains a constant speed even under full load. Stainless steel main shaft with EzyLock. Sturdy steel frame with ED coating for best protection. Extra wide water trough, magnet for collecting steel particles and removable water chute for long tools.