Model 145 Zinc Alloy Proprietary Zinc Alloy MaterialIntegral / Cast ConstructionSmooth, Contoured ProfilesLow Coefficient of Friction FEATURESOPTIONSSlip-on designsSmooth, contoured profilesLow Coefficient of FrictionSuitable for Vertical, Inclined, and Horizontal WellsLarge Flow AreasRun with 201 Series Stop CollarsMeets or exceeds API 10D SpecificationAvailable in right-hand, straight, or left-hand vane configurations