The Pfanstiehl Diamond Needle 235-D7 is a vintage new old stock stereo and mono needle compatible with Empire turntables. Made in the United States, this brown-colored diamond-tipped needle has a tip radius of .7 mil and is designed to provide a tracking force of 1 1/2-3 grams. It is suitable for speeds of 33 and 45 RPM, making it a versatile option for both stereo and mono recordings. The Pfanstiehl Diamond Needle 235-D7 is a reliable replacement for EMPIRE S-999/X-7RD needles, offering high-quality audio performance for your record player.