Use your chain saw chain chipper to make your chain saw as sharp as new, making your work more economical and labor-saving! - It is as easy to use as a pencil sharpener; just put the clip on the shaft, put the bandage on the teeth, insert the burr into the guide sleeve, and turn the knob. - Each time you grind one tooth, you only need to pull out the chain. Precise polishing to ensure the restoration of each tooth! - The pawl is used as a stopper to ensure accurate and repositioning of the teeth. - Standard 30° sharpened rake angle, used for all chain saws. - Lightweight and easy to carry, easy to use outdoors, protect your hands from injury. Specification: Name: Hand crank chain grinder Material: Aluminum Alloy Color: yellow Size: 7.6x6.5x4.3cm Package Includes: 1x Hand crank Chain Saw Sharpener 1x Grinding head 1x Hand rocker Note: -1.Due to the light and screen setting difference, the item's colour may be slightly different from the pictures. -2.Please allow slight dimension difference due to different manual measurement.