Powerful twin hammer action 500ftlb of power loosens the tightest of nuts with ease variable speed trigger amp air regulator power control handle exhaust limits the circulation of brake dust on wheels supplied with kit box that includes 10 impact sockets 9 10 11 13 14 17 19 22 24 27mm extension bar and mini oiler clarke xpro air tools are a superb new range of top quality professional tools built for tough daily use in garages variable