Features 1、HIGH ACCURACY: Turntable cartridge alignment tool works superbly to check the correct speed and angle of rotation of record player. 2、EASY TO USE: Phonograph cartridge alignment tool is simple to operate and easy to learn right away, even for the first time. 3、PROFESSIONAL TOOLS: Turntable cartridge alignment tool is a perfect and professional tool for adjustments at home or in a professional repair store. 4、SLIPPY EDGE POLISHING: Turntable cartridge alignment tool has smoothly polished edges and will not hurt your hands. It is guaranteed to be practical and popular. 5、PERFECT GIFT: Turntable cartridge alignment protractor mat is a must have for record player enthusiasts and a perfect housewarming present for friends. Specification Item Type: Turntable Cartridge Alignment Protractor Mat Material: Acrylic Color: White Product Size: Approx. 300x300mm / 11.8x11.8in Package List 1 x Turntable Cartridge Alignment Protractor Mat