The 192-WHLB ROX is a replacement needle that performs just like the factory needle, which is not the factory needles made by the manufacturer for use with Shure Record Cartridges: WHITELABEL. This product is a set of 2 WHLB SD. Other specs are the same as WHLB SD. "SHURE WHITELABEL" is a SHURE flagship DJ phono cartridge that made a new standard for Club DJs. The genuine "N-WHLB" model has been discontinued from manufacturing and is still popular with net auctions. This replacement needle is a "synthetic diamond needle" type. This is a generic model that plays a regular range of sound ranges, with a standard conical shape. General life is about 200 hours.