Moneks Technologies sells Top Notch Engineering Products. It is an optimum responsibility to make sure that you are a satisfied customer. If you are not satisfied with your product, you can return the product within 30 days and get a full refund. Buyer pays return shipping. Note that all products must be returned in an unused, undamaged condition. Please contact Moneks Technologies at 240 384 8228 for any further questions/inquiries.