• New items are sold with a 10 day money-back guarantee (less shipping and handling), except for eBay items, which are final.
• Items that arrive damaged in transmit will be handled according to terms of insurance carrier, if insurance was bought or was stated as being included in S&H charge.
• In a case where we ship the wrong product we will pay for return shipping and provide a replacement or, if not available refund.
• Used items are sold "as is" described
• There are no additional guarantees or warrantees other than what may be provided by the manufacturer of the product.

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• We accept American Express, Discover, Visa and MasterCard through PayPal.
• We try to ship within one business day after receipt of your online order. We will notify you by e-mail if there will be an exception.
• Shipping is FOB, Cambridge, Mass. We offer insurance on shipments and will refund to customers full price paid on goods damaged in shipment once approved by insurance carrier.
• Shipping procedures and carrier vary by type of item. Lower value ground shipments under 2 pounds are generally sent by U.S. Priority Mail. Heavier, high value and larger items usually go by UPS.
• Guaranteed second day and overnight shipments will be sent by the appropriate Fed Express or UPS services.
• Please call (617-661-8401) or e-mail for instructions before returning an order. We cannot be responsible for returns not authorized.