FS07 OZ Features: -Rigid enough for driving into the stiffest concrete.-Shafts are interchangeable on all Oztec power units.-Reversible.-Come standard with ''quick change'' adapters.-Quick Disconnect feature.-Use with any Oztec Power Unit.-Use with any Oztec Steel or Rubber Heads except Pencil Heads.-Cores are made from extra-high carbon steel wires.-Casings made from tough abrasion resistant neoprene rubber, reinforced with multiple layers of high tensile wire braiding with a hardened flat steel liner. Dimensions: -Length: 7 ft. Warranty: -Limted Lifetime Warranty.