M4 M5 M6 M8 M10 Plastic Black Thumb Screws & Five Star Thumb Nut Hand Knob Bolts
Finger screw / finger nut (two types for your choice). Material: plastic head + carbon steel internal thread. Head color: black. Head type: five-star/round. Sturdy, durable, rust-proof, wear-resistant, anti-oxidation, and not easy to corrode.