Air dampened Pallet Cushions. Easily attached to Pallets or Crates, for shock and vibration protection.Made from durable and chemically resistant Polyethylene.Available in a color coded range to suit different loads (see list).Suites a 5/16" -18 UNC bolt (Also available without T-nut)Use Spacer 6228 to increase cushion height to 100mm/ 4"