Rubber mounts for convenient, quick and vibration-free installation of fans in standard PC case fan mounting holes Black colour for creating stunning all-black themed builds with Noctua’s chromax or industrialPPC fans Premium grade silicone-rubber, extra soft and highly tear-proof at the same time Compatible with most Noctua fans as well as third party fans with open flange frames and standard 4.3mm diameter mounting holes Set includes 20 mounts for up to 5 fans; Trusted Noctua quality backed up with 6-year manufacturer’s warranty The NA-SAV2 chromax.black is a fan accessory set consisting of 20 black NA-AV2 anti-vibration mounts for up to 5 fans. Replacing standard fan screws, the NA-AV2 mounts enable the convenient, quick and vibration-free installation of fans in standard mounting holes for case fans. At the same time, the chromax.black edition is ideal for creating all-black builds with Noctua’s industrialPPC fans.