Sell 【 Ready Stock】0/45/90/135 degree Polarizer Film Angle Testing Tools/for LED/LCD Screens best price

Use: This tool can measure the screen angle. You can purchase this tool to measure the angle of the screen before purchasing the polarizing film. How to use: Put the test film on the test tool on the screen and see which angle the image in the film is clearest Size: 12cm x 10cm Note: Test screen angle tool, not a complete polarizing film, please note