Knurled hand-twist desktop PC screws with slots for screwdrivers made from alloy steel, Durable and sturdy, Tight hold;
Hand-tighten pc screw can conveniently be removed by hand, No additional tools needed;
Hand tighten screws for replacing screws for desktop for easy opening and close;
Standard-sized desktop screws kit, Knurled screws with a screwdriver slot on top for maximum hold;
Motherboard mounting screws for computer case panel covers, fans, PCI slots, AGP peripherals, motherboard, hard drives, graphic cards, power supplies, and other PC components;