LCD Screen Adhesive Strip Sticker Tape Repair Kit for New iMac 21.5"A1418 Product Feature: Removing the display requires cutting through the adhesive around the perimeter of the screen. After the adhesive is cut, it cannot be used to re-seal the display in place, so you'll need to apply a new set of adhesive strips. LCD display adhesive strips, replace part number: 946-4468, 946-4469, 946-4470, 946-4471, 946-4472. Compatible Models: for iMac 21.5"" 2017 & 2019 4K A1418. It need very professional tools and techinque to install it, so please check you can do it well or not to try. Includes the 6-piece VHB (Very High Bond) adhesive strips needed to refit the LCD display for iMac. Product Specification: Type: Adhesive Repair Kit for iMac 21.5" Compatibility: For iMac 21.5"" 2017 & 2019 Model: A1418 Adhesive strips: 6pcs Feature: High Bond Package Included: 1 x Adhesive Repair Kit