ITEM NAME:3X(Chain Grinder Accessories Grinding Stone Fast for Saw Chain Sharpening TY1E4) ☆★ Product Details ★☆ 3X(Chain Grinder Accessories Grinding Stone Fast for Saw Chain Sharpening TY1E4) 3X(Which gives the user the power supply to sharpen their chain, on the saw, in the workplace. Provide a fast, simple and portable chain saw sharpening method. The sharpening stone fits inside the bar-mounted to sharpen knives. Clamps beyond the end of the Guide Bar during sharpening. Easy to use. Instructions for Use: 1. open the tool chain adjustment. 2. remove black accessories and grinding wheels. 3. Install the grinding wheel fittings in black again, put it back into Grinding tool chain. size:6*1.7*1.3cm Material:Oil stone colour:Photo Color Package Contents: 6 * grinding stone)