Terrier TSCC-W 3 Ton Universal Lifting Screw Clamp - 862731 Crosby® IPCC Pipe Sect Clamps They are also stamped with

They are also stamped with the manufacturer and grade every 12"

And if your valuable items will need protection from the chain (like if the finish can be scratched)

Oversized D-Rings: The sides and flap are fitted with four rows of D-rings to make fast and secure connections using rubber tarp straps

Van Beest 17 Ton Bolt Type Anchor Shackles

They are incredibly portable

Terrier TSCC-W 3 Ton Universal Lifting Screw Clamp - 862731 Crosby® IPCC Pipe Sect Clamps They are also stamped withFeatures: Universal lifting screw clamp designed for lifting a wide variety of steel structures. Can be used for both horizontal and vertical lifting of steel structures. Fitted with a moveable cam on the thread spindle which provides a powerful clamping force on the workpiece. Articulated lifting eye ensures an effective clamping force in every position. The hardness of the cam and pivot is suitable for lifting materials with a max hardness of 37 HRC