1.【Quality Material】：Our product uses high-quality glue, they stick firmly to your computer and won’t leave any stain on your computer, durable, waterproof, oil proof and anti-corrosion.
2.【Good Compatibility】：Suitable for Apple iMac 21.5" A1418 Retina 2012-2015.
3.【Clearly Labeled】：Each of the tape has marks on them, follow the mark so you can successfully install them, we also recommend that you watch online guiding video first. Before installation, it is necessary to use alcohol to remove the original glue and dust on the surface, and wait for the alcohol to air dry before pasting our product
4.【Package Information】：1 set of screen adhesive strip sticker and 1pcs opening wheel handle with 4 wheel cartridges replacement.
5.【100% Satisfaction guaranteed】 ：If you are not satisfied with this product, we support 100% refund. Just contact us if any issues happened.