Marshalltown Octagon Handles are specially designed for increased grip strength by an average of 20% for superior performance and offer a comfortable, slip-resistant hold even with wet or sweaty hands. This concrete extension tool is available in two styles: Insert or Swaged. Insert style handles are constructed from ribbed aluminum tubing and blue powder-coated to prevent oxidation from darkening your hands. Both styles have quick-connect snap springs for easy attachment and are designed with tight tolerances to reduce sag when in use. Swaged style handles are Made in the USA with Global Materials.