Shop Nilight 60inch 4000lbs Clamp on Pallet Forks Heavy Duty Tractor Forks with Adjustable Stabilizer Bar for Loader Bucket Skid Steer Tractor in high quality, support 2 year warranty. This clamp on pallet forks are made of high strength square iron tubes with good load bearing capacity up to 4000 pounds, which can easily meet some basic needs in daily life.