The Dual-Tool can be configured to function as a hand operated gravel pump and as a very effective crevice cleaner. The crevice tool is made of 3/4 inch unbreakable-flexible PVC pipe. The body is two inch PVC pipe.  The T-handle is made of 3/8 inch plated steel rod for years of rust free service with a rubber vacuum plug that has adjustable tension. Set up as a crevicing tool it is perfect for sniping. Set up as a gravel pump it will quickly remove a large volume of sand and gravel from a hole Total length is about 36 inches. The vacuum chamber is 2 x 28 inches and the total weight of the unit is a little over 3 pounds.