Features: √ 12,000 lbs lifting capacity; √ Air-released safety lock for convenient operation and reliability; √ Mechanical self-locking device and cable-breaking protection; √ Skid-proof diamond platform; √ Hydraulic cylinders are designed to high standards using high-quality seals; √ Strict quality control of cylinders with flow restrictors to keep a constant low speed.; √ Adjustable lifting platform: Off-side platform can be adjusted the mounting position left or right as required. The standard distance between two platforms is 43 1/4"(1100mm) and maximum distance is 51 1/8"(1300mm)(pro-12,pro-12A) 53 3/4"(1365mm)(pro-12AX). √ Optional Rolling Jacks: √J6H 6,000lbs manual pump; √J6A 6,000lbs pneumatic pump; Product Specs   Product Manual