Description:-The electric saw sharpening head is easy to install and has good heat dissipation. It can be applied to the polishing agent without removing the chain, thus improving work efficiency.-Includes twelve replacement dressing stones-Use with an electric sharp handheld grinder to easily sharp and chainsaw-The newest, hardest diamond wheels we have ever produced have adopted a titanium coating process, which means you will enjoy 20% longer life of these bits than others not coated with titanium.-These stones leave an excellent cutting edge on the chainsaw and are easily replaced on most cardless electric chain sharpeners-Ideal for sharpening chainsaw teethSpecifications:Material: grain emerySize: 4.0mm, 4.8mm, 5.5mmColor: Silver (as the picture)Shank: 3mmQuantity: 2pcsApplicable: These blade grinding heads electric saw are suitable for polishing metal, such as electric saw, jade, wood, mold, steel, etc. Package Included:2 pcs. Diamond Chainsaw SharpenerNote:1. The actual colors 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.