Description: Product: All-in-One Computer Screen Panel Adhesive Strip Stickers Replacement for Apple iMac 21inch A1419 This Package contains two pieces 31cm tapes, two pieces 25cm tapes, one piece 25.5cm tape, and one piece 25.6cm tape, that can be used to replace the adhesive tape for the computer screen. The adhesive stripe tape is a double-sided tape that sticks the display panel to the computer. Please note that when you disassembling the device, there might be a complex internal structure inside the device, so professional disassembly techniques are required. During the process of installing and disassembling the device, it is recommended to wear an anti-static wrist strap and turn off the device to avoid unnecessary damage. Specification: Material: Plastic Length: two pieces 31cm tapes, two pieces 25cm tapes, one piece 25.5cm tape, and one piece 25.6cm tape Package Includes: 6 Pieces LCD Screen Adhesive Strip Stickers Note: These adhesive stickers are designed for A1418 and will NOT work for A1419. The color might be slightly different due to the color calibration of each individual monitor. Please allow slight measuring deviation due to manual measurement/margin tolerance.