High Strength Zinc Alloy Model BL
This version is compact. Its ball holder is made of high strength zinc alloy which at 90 degrees to the ball shank. With grease pockets provided on the top and bottom of the spherical surface, this model achieves good lubrication and high wear resistance.
Female Threading Holder Model RBI
This Link Ball model also uses a high strength zinc alloy holder with the mounting shank and holder in the same axis, allowing this model to receive both a compressive and tensile loading. Since grease is contained in the sealing boot it achieves good lubrication and high wear resistance.