The Radius PRO Weeder is an industrial strength stand-up weeder that pries out deeply rooted weeds and unwanted tree and shrub seedlings. It is also great for digging holes for bulbs in difficult soil and in between existing landscaping. We use this tool to remove burdock, bull thistle, and even young ash trees. It is actually based on the first tools we ever designed many years ago. We think it is still one of the best. We know of no other standup weeder that even comes close to the functionality of this product.