HP 246726-001 - Pass-Through Mechanism (PTM) extender - 5U height - Attaches to the existing PTM - Does not include pass-through belt - (part of 231824-B22) Retail
HP 246727-001 - Pass-Through Mechanism (PTM) extender - 10U height - Does not include pass through belt - Attaches to the existing PTM - For StorageWorks MSL5052, MSL5060, and MSL6060 series tape libraries - (part of 231824-B23) Retail
