Check the listing for details. Aiwa AD-WX777 Cassette Deck Replacement Bias Fine Normal CrO2 Control Knobs. Condition: Used. Listed at 10.00 USD. You are buying a parts in great working and cosmetic condition.Look the pictures before buying.We will do our best to give accurate and truthful information in the description of the items for sale. The photos are an important part of the description.If you feel the item you purchased was not described correctly, please contact us before you leave a feedback. We will correct the situation to your satisfaction.Thank you for your business, we appreciate it very much.Discount:If you buy 2, 10% off buy 3, 15% offbuy 4, 20% off your total purchase price.For all parts:Sometimes there are issues with the tier discount feature. If you have purchased multiple items and did not receive your discount, please contact me so that I may resolve this issue. A14