This computer fan cooler screw uses silicone rubber material, professional, safe, and can withstand long-term use. workmanship, not easy to deform, can greatly reduce the noise of the computer case when working, and at the same time have the effect of damping, providing you with better service and convenience. Features - Color: black. - Material: silicone rubber. - Size: 6.65X0.90X0.90cm/ 2.61X0.35X0.35inch.(long type) - Size: 4.38X0.90X0.90cm/ 1.72X0.35X0.35inch.(short type) - This screw can solve the vibration that may be caused when the chassis fan is in touch with the computer chassis. - Using silicone rubber material, professional, safe, and can withstand long-term use. - Fine workmanship, not easy to deform, can greatly reduce the noise of the computer case when working, and at the same time have the effect of damping. - Widely applicable to most computer cases, with strong practicability and versatility. - Simple structure, light weight, easy to install, use and store, to provide you with greater convenience. Package list: 48 x computer case fan screws long 48 x computer case fan screws short