Item : B00004R9XQ Customer Reviews Love this thing by .. GrassMan (SC) I recently picked up one of these at a yard sale, thinking, "Hey, it might actually work, and then I won't have to fuss with replacing line." I have a heavy duty Craftsman 3.5hp push type trimmer, and the Grass Gator assembled easily right to the hub. It even has a rounded bottom that keeps the blades about .50 minimum from the ground. And the blades are literally a snap to change. I will definitely not go back to string. And be very cautous about the chain type replacements. If one of those chains break, it could go right through your ankle, or clip Fido's nose off. This works very well on grass and light weed trimming. If you're going after heavier weeds and brush, you should get the Grass Gator II, it is heavier duty.