The Maasdam Rope Puller is a great tool that accommodates 1/2" ropes. It is great for pulling trees, logs, vehicles, and other heavy items. Though best used with three strand ropes, it will work with 12 strand ropes as well. This rope puller has heavy-duty features including 1,500 lb. capacity, 10:1 leverage, unlimited lift, and trouble-free automatic letdown. Increase capacity by using pulley blocks. Constructed of aircraft quality materials. Made in the USA.