Need a stable platform to extend bottle jack height while maintaining and repairing heavy equipment? Look no further than the Esco 12503 55-Ton Interlock Steel Cribbing Stand. This 9-inch tall stand ensures safety with its high-quality steel construction and interlock design that prevents slipping or shifting during lifting. It can be used alone or stacked with other Esco cribbing stands (available in 3in and 6in heights) to achieve various lift heights, making it perfect for supporting heavy equipment during maintenance or providing temporary support for structures.