Support a Vertical Tube or Scaffold Pole. Ideal for Side Lighting. Four Holes Allow Permanent Installation. 50mm Receiver. Cut Out in Base for Compact Stacking for Transport or StorageReceiver: 50mm Dimensions: 600 x 600mm Weight: 17.2Kg. Tank Trap consisting of a 600mm square steel plate fitted with a 50mm receiver that features wing bolts to firmly secure aluminium or steel tubes in place. A cut out in the base allows compact stacking for transport and storage.. tank trap