Package Contents: The stack truck adapter kit includes 8 pieces diameter 38mm lift adapters——4 pcs 2.36"（60mm）and 4 pcs 4.92"（125mm） Extension Adapters Compatibility: The Lift Adapters compatible with 2/4 post with diameter 38 mm mounting holes 7.28-inch extension: Combining the 2.36“ (60mm) and 4.92” (125mm) Extension Adapters allows for an extension up to 7.28" (185mm)
