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: 6 Tons Minimum Height: 15-7/8" Maximum Height: 24-1/2" Base Size: 11-1/4" x 9-7/8" Weight Per Jack Stand: 13.23 lbs. Sold and to be used only in pairs .