Description: - The electric saw sharpening head is easy to install and has good heat dissipation. Can be applied to the polishing compound without removing the chain, thus improving work efficiency. - Includes twelve replacement dressing stones - Use with an electric sharp hand grinder to easily sharpen and chainsaw - The newest, hardest titanium diamond wheels we have ever produced, have adopted a titanium coating process, which means you will enjoy 20% longer life on these bits than others not coated with titanium. - These stones leave an excellent cutting edge on your chainsaw and are easily replaced on most electric chainsaw carding sharpeners - Perfect for sharpening chainsaw teeth Specifications: Material: titanium coated emery grains Size: 4.0mm, 4.8mm, 5.5mm Color: as picture shown Shank: 3mm Quantity: 2pcs Applicable: These electric saw blade grinding heads are suitable for polishing metal such as electric saws, jade, wood , molds, steel etc. Package includes: 2 pcs diamond chainsaw sharpener Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.