The Acryl Turntable Mat/ Cartridge Alignment Protractor Strobe Disc/ Stroboscope is a versatile and essential tool for any vinyl record enthusiast. This unbranded platter mat is compatible with all major turntable brands, making it a universally useful accessory. The protractor and strobe disc features help ensure precise cartridge alignment for a smoother and more accurate listening experience. Made of durable acrylic material, this tool is a must-have for any record player setup. Stroboscope disc and cartridge alignment protractor