Manufacturer part #: RF2429-08Technical DescriptionFeaturesAmericanMetricDescriptionRound Base PadeyesA11/16 in17.5 mmB 3/8 in9 mmD2 1/4 in57 mmE5/16 in8 mmBreaking Load13200 lb6000 kgWeight4.5 oz127 gManufacturer part #: RF2429-084 X M8 (5/16") HolesMaterials:Cast - 15-5PH