Double lock design with safety pin provides additional security when working beneath a vehicle Welded foot pads provide added stability and resist sinking into soft ground or asphalt Counter-weighted pawl locks ratchet bar securely in place Sturdy, welded steel construction One-piece, multi-position ductile iron ratchet bar Meets or exceeds ASME PASE 2019 standards Capacity Per Pair: 12 Tons Minimum Height: 17-7/8" Maximum Height: 27-5/8" Base Size: 12-1/4" x 11" Weight Per Jack Stand: 30.58 lbs. Sold and to be used only in pairs .