- Free Speed: 5300rpm.- Suitable for sharpening TCT saw blades in range from ?90-400mm.- Fitted with a ?100mm diamond coated grinding disc for optimising TCT saw blade performance.- Supplied with optional ceramic disc for non-TCT blades.- Precision 0-25? angle adjustment allowing each tip to be sharpened exactly the same.- Quick and easy-to-use, whilst also saving money on having to constantly buy new blades.