The product is a lot of DUOTONE 1960's NOS Stereo Phonograph NEEDLE's, specifically designed for the Duotone 661 and 661D models. These ceramic/crystal cartridges are authentic vintage pieces from the United States, making them a rare find for collectors and enthusiasts of retro audio equipment. The needles are compatible with the pictured brands and are offered as a genuine accessory for those looking to maintain or restore their vintage stereo phonograph systems.