✅【MATERIAL】- These Thumb Nuts made of carbon steel, wear-resisting and durable to use.
✅【ADVANTAGE】- To open and close the air box cover without tools.This facilitates tightening by hand, commonly used in electronics applications.
✅【Feature】- Common on 16d printer beds, machine tools, cabinets, tool boxes, and great for maker projects and things that need adjusted quickly. Works with bolts, studs and screws.