The portable chainsaw sharpener provides a convenient way to sharpen your chain quickly and scurrility Comes with 2 sharpening stones and stand as a support for longer service Fits 14/16/18/20 inch guide bar with two guide holes (but may not fit ECHO 16 inch chainsaw) This bar-mounted sharpener is durable, lightweight and can be quickly and easily attached to the tip of the guide bar. It is easy to use; simply attach the bar-mounted sharpener to the guide bar. Two guide holes at the top of the bar ensure perfect alignment. Press the tip of the sharpener onto a solid surface and the chainsaw can be sharpened in seconds. Specifications: Material: Plastic and Whetstone Weight: 380g Size: 210mm X 140mm Color: Yellow Package Includes: Please Note: There is a whetstone in the tool, the other whetstone comes with the package. Total 2 whetstones 1X Portable Chainsaw Sharpener 1 X Replacement Whetstone 1 X Replacement Whetstone Holder