The Challenger Stack Truck Adapter Kit is designed for heavy-duty commercial vehicles, with a capacity of 10000lbs. Made of steel in the United States, this 2-post lift features adjustable settings for added versatility. The kit includes four 3" and two 6" adapters, along with an organizer for easy storage. Compatible with Challenger Lifts, this OEM product is a reliable and durable addition to any automotive workshop or shop equipment collection.