Check the listing for details. Strongway Double-Locking 3-Ton Jack Stands, 6000-Lb. Capacity, Pair. Condition: New. Listed at 49.99 USD. The Strongway Double-Locking 3-Ton Jack Stands provide ratchet action to support your vehicle. The locking rack and pawl mechanism gives you security and stability where you need it most. Lead-free oil-, grease- and dirt-resistant paint ensures a long-lasting finish and easy cleanup. The welded frame design adds extra durability. The single-piece self-locking multi-position forged iron ratchet bar provides precise adjustments. The large saddle surface area provides plenty of contact with the load being supported. These jack stands are built in ISO-certified facilities and engineered using the same systems as aerospace technologies and the automotive OEM sector. Used in pairs, these jack stands are designed to keep you safe. The double-locking.