This computer chassis fan screw is made of premium material, which can withstand long-lasting use. Features the iron material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color:Black -Material:Iron -Size:3.00X0.90X0.70cm/1.18X0.35X0.28in - Long screws are special position screws. Made of high grade iron materials, durable and functional. - Premium case fan screws for professional or personal use. They are very easy to use. - Self-tapping screws for installing case fans into almost any computer case. - Fine craftsmanship and creative looks ensure its popularity and utility. - Outstanding workmanship, reasonable design, stable and practical, will bring you a good using experience. Package list: 30 x screws