Greaves Poker 25 mm

A Greaves 25mm Poker (or Vibrator Needle) is a construction tool with a 25mm diameter vibrating head and a long flexible shaft (often 6m) used to compact wet concrete, removing air bubbles for increased strength, featuring high-frequency vibration, anti-vibration rubber, and durable cast iron, connecting via pin or coupling to a prime mover like a petrol engine.