Heavy-Duty 3″ Ball Gooseneck Coupler. Feb 25, 2014. ... “The coupler builds upon the success of our Bulldog 2-5/16 BX1 with increased landing area, a force transfer feature, ...

Eleroll units are available as roller modules for linear movement and balls for 360° omni-directional movement in standard sizes of 25mm for rollers and balls, and as light duty low profile rollers of ...