durable, 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: Samsung 950Pro / 960Evo / PM951 / PM961 / SM951 / SM961 / 970 EVO / 970 PRO etc Intel Optane SSD 800P Series, Intel SSD 760p Series, Intel SSD 660p Series, Intel SSD 600p Series SanDisk: X300 / X300S / X400 / Z400S / X110 / A400 Transcend: MTS800 / MTS820 ADATA: SP550 / ASX7000NP / XPG-SX6000 / XPG-SX8000 / XPG GAMMIX S10 / SU800 / AXNS381E Toshiba: Q200 / XG3 / XG4 / OCZ RD400 / THNSNK / OCZ RD400 colour:black Material:aluminum size:7x2.2x0.3cm Package Contents: 1 * heat sink 1 * Clean Dry Wet Wipes 1 * High thermal conductivity silicone pad 2 * rubber band 1 * Screwdriver 2 * screwOnly the above package content, other products are not included. Note: Light shooting 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.