Package includes: You will get 50pcs #6-32x30mm computer case radiator fan screws, 50pcs M5x10mm PC case cooling fan mount screws , which can be used for a long time. Material: The radiator fan screws are made of metal material, durable and practical, not easy to rust. Easy to install. Size: The size of this radiator fan screws is 10x5mm for short screws and #6-32x30mm for long screws. Easy to install and fix your computer cooling fan. Application: Our radiator fan screws are used to connect the fan to the radiator. Not all of them are compatible, so please check in advance whether the size is appropriate. Features: Our radiator fan screws are durable and easy to install and fix your computer cooling fan.