, firm and stable for us to use.for easily installation. The thermal pads can use to fill the master chip and flash memory chips height and increase the cooling effect. Nano heat-conducting silica gel pad. Good ductility, compatible with uneven surfaces. Low viscosity, easy to Remove. Groove design greatly Increases the heat dissipation area, with 5 Celsius- 15 Celsius cooling effect (varies depending on the environment). Universal fit for 22 x 80 size (22x80mm) M.2 NVME SSD. Product Type : M.2 SSD Hard Drive Disk Heatsink Number of teeth: 8 pieces Universal fit for 2280 M.2 SSD: 950Pro / 960Evo / PM951 / PM961 / SM951 / SM961 / 970 / 970 PRO etc Optane SSD 800P Series, SSD 760p Series, SSD 660p Series, SSD 600p Series : X300 / X300S / X400 / Z400S / X110 / A400 for : SP550 / ASX7000NP / -SX6000 / -SX8000 / GAMMIX S10 / SU800 / AXNS381E : Q200 / XG3 / XG4 / OCZ RD400 / THNSNK / OCZ RD400 colour:black Material:aluminum size:7x2.2x0.3cm Package Contents: 20 * heat sink 20 * Clean Dry Wet Wipes 20 * High thermal conductivity silicone pad 40 * rubber band 20 * Screwdriver 40 * screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.