1.Iron Aluminum 2.Function: Chainsaw Mill Winch kit is Used Together with The Chainsaw Mill to Cut logs, which can Realize oneMan Operation and Make The Cutting Process Smooth and controllable 3. Chain Saw Milling Accessories: Use a winch in portable sawmills and sawmills or small wood processing machines. Install the winch on the chain saw machine as an accessory to make milling easier, cutting smoother, saving effort, and improving efficiency and quality. 4.Perfect Design: the anchor point on the end of the log, making the whole system completely mobile. It takes less effort to operate this winch than it does to push the saw without it. If you have a mill, this can be a useful addition. The lightweight design attaches easily to the cross rails and is incredibly strong and durable, while the unique lever arm anchor system allows you to cut right to the end of the log. 5.Easy to Install: Include user manual. It is easy to operate with the detailed manual. Compatible with Most Chainsaws.