The unit is fitted with assembly for the perfect cutting edge of the knife of any size up to 300mm. Automatic reversing of the knife takes place at regular intervals for equal bevel angle on both sides of its edge, and the sharpening process is across the full diameter of the rotating plate. The plate is rotated at a constant speed by ¼ H.P. motor. A lubricant reservoir with clamp needed for grinding and polishing is supported on the top. A metal scale graduated from 0 to 25 degree division indicates the exact angle between plate & razor with dust cover and cord and plug. Operates on 220/230 V AC. Fitted with 0-60 minute timer.