TPB40 pneumatic jack hammer 1 light weight 2 high efftiency 3 competitive price ... /8” & 1-1/4” shanks. name,pneumatic hammer, paving breaker, pneumatic pick, jack hammer, pneumatic breaker, concrete breaker, air breaker, breaker, ... pneumatic jack hammer, pneumatic tool, air hammer, tamping rammer, chipping hammer, forging jack hammer, rock breaker, air drill, road ...