The Bose® ElectroForce® Systems Group maintains a full inventory of common parts and consumables, and you can call Technical Support (Toll free 1-866-835-1800) or e-mail us electroforceservice@bose.com with your particular needs. Most common parts can be shipped within a few days if they are in stock after receipt of a purchase order or credit card payment. For measurement transducers or grips and fixtures, we can assist you to determine the proper solution and provide a quotation to meet your specific needs.