Hand powered high impact tool

摘要: An impact tool capable of use in place a conventional jackhammer, the being type having an axially moving member guided telescopically by mating guide member, and characterized following combination: (a) is massive elongated rod, length order two feet or greater, diameter one inch comprised impact-resistant heavy material such as steel to have weight 10 pounds; (b) rigid hollow outer sleeve, slidable fit over rod lower end formation internal shape corresponding external shank jackhammer bit; (c) restraint means retains bit with its inserted into guide; (d) are cooperatively dimensioned so that protrudes enable worker alternately retract propel it against shank.