Computer Case Fan Screws Kit PC Fan Screws Housing Radiator Screws Computer Chassis Fan Components 1. Perfect for PC Computer case fan fixed installation 2. Computer case fan screws size:M5*10mm, fit for most computer case fan,the long Water cooling screw :6-32*30 cm long 3. Self-tapping thread design for quick and easy installation of most standard plastic-framed case fans 4. Package includes : 20pcs #6-32x30mm computer case radiator fan screws, 20pcs M5x10mm PC case cooling fan mount screws . 5. The radiator Computer fan screws Made of high- quality metal.