Quick view SLIDE BLOCK, Carriage, Wheeltronic Carriage SLIDE BLOCK bearing cup for lifts built by Wheeltronic; including some AccuTurn, Ammco, Magnum, Snap-On, and John Bean (JBC) brand lifts. Ultra high molecular weight polyethylene (UHMW). Approximate dimensions: Outside: 4-3/4" x 2-1/2" x... MSRP: Was: Now: $40.90 Add to Cart Compare