General description This handheld chainsaw sharpening kit is specially designed for sharpening electric chainsaws, providing an easy and quick way to sharpen saw chains in just 3-5 seconds, making your chainsaw as sharp as new. This manual saw chain sharpener operates without power, similar to a pencil sharpener; simply hold the position and rotate the handle to sharpen your saw chain. Technical specifications Material: Aluminum alloy and stainless steel Design: 2 in 1 for portability and practicality Sharpening angle: 30 degrees Includes: 3 replacement grinding heads Compatible with chainsaws of sizes: 14", 16", 18", and 20" with 1/4" and 3/8" chains Usage Pull the chain each time you sharpen your chainsaw. The ratchet acts as a stop for accurate and repeatable positioning.