Check the listing for details. Martin Roller Chain Sprocket, Bushed, 50, Single Row 48 Teeth, 1" Bore, 50A48. Condition: New – Open box. Listed at 39.50 USD. Martin Roller Chain Sprocket, Bushed, 50, Single Row 48 Teeth, 1" Bore, 50A48 ** in stock – can ship out today We sell Surplus, Factory, Retail Closeouts, Overstock and Unclaimed Freight items. If you are interested in the item I have pictured, Fit and Application is the Responsibility of the BUYER. We make no warranties of any kind, either expressed or implied, including but not limited to warranties of fitness for a particular purpose. Use of the product by a user is at the user’s risk. This especially includes all items electrical in nature – we have no means of testing prior to shipping. Please do your homework and make sure that this item will meet your needs. If you have question, feel free to contact us and we will do our best to get back with you in a timely manner. We appreciate your interest in our product and hope to do business with you. Thanks for Looking.