For sale Lot of 4 pairs Polypropylene Pipe/Tubes Saddle Clamps. This is the best clamps for mounting antennas and element tubing. This is especially helpful when you need insulated Yagi element or GP/Vertical Antenna. Clamps are useful for securely mounting tubing to any flat surface, while providing electrical insulation. Standard: DIN 3015 UV Resistant For tube Size OD:5/8 If you need other quantity please contact me.