PLEASE NOTE: Make sure the needle that you are buying looks exactly like the one you are replacing, if the cartridge has been changed, the references below may no longer be valid. If you need help finding the correct needle, please let us know and we will be glad to assist. Manufactured in Switzerland Replacement for ASTATIC N1551, and SONY ND-121 ND121 ND-121-P ND-12P ND12PUSED IN SONY CARTRIDGES VM-19P VM19P XL-121 XL121