Polarizer film is core part of LCD(liquid crystal displays), the polarizer film quality decides the effect of the image which shows in display. GUTE TEK Plastic high quality plastic PET polarizing films are perfect for all kinds of LCD. Besides, we provides polarizer film angle testing tool, it can help you detect the polarizer film angle of the broken screen in daily use. Normally there is 0°,45°,90° and 135°polarizer film for option.