These are new 6K lb capacity air over hydraulic rolling bridge jacks. These adjustable width jacks will fit many 12K lb 4-post lifts including many that were produced for Bear by various mfgs. during the 1980's and 1990's.  Some minor modifications may be required to fit jack support tracks on some lift models.

Photo shown is representative of product. 

*Delivered price to major delivery points within the lower 48 US states.  Other US areas will require an extra delivery charge.  Please contact us for further details.