Straight Vane Aluminum Rigid Centralizer is suitable for also cased Or open holes. Liner Overlaps and Shoe Joints”. It is made of high tensile, solid, cast aluminum that has proven effective in responding to shock, impacts and corrosion resistance. These are also able to withstand high well bore temperature while providing maximum horizontal standoff. Vane ends are beveled 30 degrees on casing centerline to give the finest lead into restrictions and decreased drag when running into the hole. All these Centralizers are stove painted or coated with polyester powder.