Special Features:

Concrete vibrator screed; air driven, convertible, port air compressor; off-on valve; pneumatic vibr mech; not less than 4000 vibrations per min., 2man winch assembly; free spooling, heavy du type 2500 lbs w/100 ft 1/8 in. Aircraft type cable; screed 5-30 ft w/reinforcement boxes.

Properties:

A portable power-operated tool with a metal inclosed, unbalanced rotary shaft which, when inserted into wet concrete, causes a settling and compacting action by means of vibrators.