Sunex offers their 66035 3-1/2-ton capacity and 6613 2-ton capacity service jacks. The 66035 offers:
A heavy-gauge steel frame and swiveling rear casters.
2-1/4" wide front wheels.
3/8" thick foam handle bumpers for vehicle protection.
A universal joint release.
Double return springs.
A 1" thick, 5-1/2" long hard rubber saddle cover for undercarriage protection.
A safety overload system that helps prevent use beyond the rated capacity. The 6613 features a low lift height of 2-5/8", a high lift height of 19-5/8" that requires 18 strokes to reach, as well as a universal joint, safety overload system, foam handle bumper and foot pedal release for quicker access to the lifting point.