"The Ingersoll Rand Digger is the ideal solution for digging clay, hardpan and frozen ground and can also be used for horizontal concrete demolition, tunneling and bridgework. Overall Length in. 22 7/8, Accepts Bits in. 7/8. Ideal solution for digging clay, hardpan and frozen ground Multiple latch configurations 7/8in. x 3 1/4in. shank 3-finger trigger D-handle grip Extra-long nozzles for long life Valve durability in dusty conditions"