This 3-ton jack stand set boasts steel build, double-lock ratchet, wide base & ANSI compliance. Paired with anti-slip rubber pads to protect chassis, pinch welds and suspension from scratches. Sturdy Stamped Steel Construction: Made of heavy-duty stamped steel. Height adjusts from 11-2/5 to 16-3/4 with a 3-ton (6,500 lb) capacity per stand for reliable lifting support. High-Quality Sawtooth Ratchet Bar: Equipped with a premium sawtooth ratchet bar featuring a double lock protection mechanism to prevent accidental release and enhance safety. Meets or Exceeds ANSI/PALD Standards: Complies with or exceeds ANSI/PALD safety standards. Ideal for home, auto, truck service, farm, and shop use. Please feel free to contact us if you have any questions. Premium Quality and Cushion Design: The rubber pad features a middle groove for stable support, plus soft cushioning and crush resistance. V-Type curved pad: 90mm L x 51mm H x 45mm W, groove depth 22mm. Please confirm size before purchase. Wide Application: Suitable for jacks of matching size and shape, mainly for Donext 3-ton jack stands. Simply place the pad on top to avoid metal-on-metal scratches. Please feel free to contact us if you have any questions. Brand Name Donext Style Name Jack Stands 3 Ton and Pad Adapter 4 Pack