The Vtg PFANSTIEHL Diamond Needle *M855-DS77 is a high-quality replacement needle designed for use with Tetrad turntables. Made in the United States, this black needle features a diamond and synthetic sapphire tip for optimal performance and durability. Compatible with the Tetrad product line, this needle is a reliable and efficient choice for ensuring smooth and precise playback of your vinyl records. Please ask any and all questions before purchasing. Thank you.