This is a replacement stylus for the Shure M71, M74, M75, and M81 magnetic cartridges. It has a polished conical diamond with a tip radius of .7 mil. blue color. Tracking Force: 3 grams.Because this needle is designed for use specifically with SHURE cartridges, it can be found in numerous brands of turntables.This needle should be matched primarily to the SHURE cartridge type not necessarily the turntable.