Rolling Jack for Hollstein Park Lift 9000 
The Hydraulic Hand pump of the 4500 Rolling Jack as well as the 3500 Sliding Jack are the same . The hand pump action to lift and the pressure release to lower remain also the same as well as the safety lock.
Specifications for HOLLSTEIN Rolling Jack 4500 lb
| Lift Model | RJ-45 |
| Max Capacity | 4,500 lbs. |
| Lift Height | 3.75″ – 11.00″ |
| Lift Height 1 1/2″ Extension | 5.25″ – 12.50″ |
| Lift Height 5″ Extension | 8.75″ – 16.00″ |
| Arm Extension | 34.25″ – 57.48″ |
| Base Adjustability | 33.90″ – 49.60″ |
| Pad Height Above Runway | 3.75″ |
| Weight | 363 lbs. |
