Features Flexible - Navigates the Packer through tight bends and transitions. Lockable Fittings - Lockable, hexagonal fittings prevent Air Push Rods from disjoining when pushing the Packer down the line. Durable - Air Push Rods withstand environmental hazards in the line. Synchronized Rotation - Hexagonal fittings allow Packer to rotate making it easier to push through tight bends and transitions. Adjustable - 5 ft increments can be joined together up to 100' (20 total). Universal - Compatible with 3", 3-4" & 4-6" RIDGID Pipe Patch Packers.