Offered here is a Brand NEW PFANSTIEHL 689-D7 DIAMOND Replacement Stylus for Mitsubishi 3D-31 & 31M used in Mitsubishi SDL-5500 magnetic phono cartridge. This Stylus is brand new old stock in perfect condition. I recently bought a large stock of styli and will be listing them over the next few weeks. I have way too many to hunt for a specific stylus so please check back. Look at the pics, check my feedback, and bid with confidence. I accept PayPal ONLY. I take pride in my fast shipping. I generally ship on the next business day following receipt of payment. Thanks for looking!