lb Grubbing Mattock So called because its primary use is ‘grubbing’ out, this best-selling tool from our range is ideal for digging, prying, chopping, lifting, levering, trench digging and more. Its removable head makes it easily transportable and easier to store. We know that our tools need to perform, therefore, we only certify our Professional Tools with the JCB Logo once they have individually surpassed British Standard Load Tests – our guarantee to you that they will get the job done.