Features: Brand new and high quality Remove the three screws which base on the original CPU , CPU put away, and then install the protector. (Please players to open their own, pay attention to open the lid at risk). CNC machining aluminum, black oxide treatment, the oxide layer tested non-conductive, non-corrosive. Ensure overall precision within 0.05mm. The capacitance,inductor and other electrical component on the motherboard maybe hold up the CPU cooler,there is a gap between CPU die and base of CPU cooler. like this, unsuitable for using this Delid Die Guard. Note:According to the feedback from customers who bought this item.The protector is not suitable for all kinds of motherboard. So please check over the measurement carefully before you place the order. We can't try it on all the matherboards,if you want to buy it,please accept all the consequences, include negative consequences. Specifications: Item Type: CPU Delid Die Guard/CPU Lid Protector Suitable for 3th, 4th generation Intel CPU(For example:3700K,4770K,4790K etc.) Material: Aluminium alloy Color: Black Quantity: 1PC (other accessories demo in the picture is not included) Size: approx. 130x70mm/5.12x2.76in Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. Package includes: 1 X CPU Delid Die Guard