... SAFTY SYSTEM; double insurance device; Gantry without ground floor structure,ensuring ground without obstacle This car lift: Model GL-4.5-2F1 ... power(Kw) 2.2 Remark chinese and imported pump optional Gantry design, clear floor .Drive by hydraulic power unit; ... lift, steel rope to balance; each post with safety device, ups release, and downs lock. Height limitation security lever two post gantry Lift ...