Walz Scale "Jack" or Lift Stand Scale System is developed in house for operations to track and monitor actual empty vehicle weights on their haulage assets. This fully portable jack stand scale system works with your jack stand & lifts and is designed to be used with your existing facilities hydraulic lift stands, providing accurate empty weight verification on your haulage assets with extreme accuracy of +_ 0.1%. Our jack stand scales also interface with Payload Pro Software for maximum control.