The Air-Spade 2000 excavation tool from Guardair Corp. is designed for the safe excavation of objects underground. The tool is available in size models ranging from 25 to 225 cfm at 90 psi, as well as 3- and 4-foot barrel lengths. Features include dead-man trigger, fiberglass barrel with adjustable dirt shield, adjustable, thermoplastic spray shield, stainless steel supersonic nozzle, 3/4-inch FNPT air inlet and Chicago-style swivel connector. 800/482-7324; www.guardaircorp.com.