Clamp On Spade Trencher Combo Clamps On to Any Tractor or Skid Steer Loader Bucket. Or it slides over existing pallet forks. Digs out tree roots. Great for digging trenches, moving rocks, moving trees and more! Digs 18" X 22" X 22" Hole in Seconds. Great for removing cactus 2,000 Lbs Lifting Capacity, Ltd Lifetime Warranty.