Model: WTD-TSJ001 Static Capacity: 80,000lbs Lifitng Capacity: 40,000lbs Range: 39" to 51" Weight: 115lbs Trailer Stabilizer JacksModel: WTD-TSJ001Static Capacity: 80,000 lbsLifting Capacity: 40,000 lbsRange: 39" to 51"Wheels:8" diametreWeight: 115 lbsHead: Forged 8" Diameter SwivelRatchet Screw LfitQuantities of one pallet: 16pcsMeet OSHA Regulations WTD-TSJ001