Shimano Deore FD-M510 Clamp-On Triple Front Derailleur, made in Japan.  NOS/New in original box with instructions.  The do-all front derailleur.  Includes shims for 28.6mm/31.8mm and 34.9mm seat tubes.  66-69 degree chain angle model. Top swing, dual pull accepts cable from top or bottom.  For 9 speed drivetrains.  Perfect for your touring, mountain or tandem bike.  Please know what you are looking for when purchasing and feel free to ask any questions.  Buyer to pay $6.00 USPS Ground Advantage shipping with tracking.  Thanks for looking!