Main Function: This wing nut and bolt has internal threads and, when used with a bolt, can secure two or more objects together. You can screw the wing nut to the end of the bolt to prevent the connected objects from coming loose Material: This wing nut is made of a robust material, finely crafted, scratch-resistant, and not easily broken, deformed, or damaged. It offers stable performance and can be used for a long time Ease Of Use: This wing bolt set's unique wing design allows for easy tightening or loosening without any tools Wing Screw: This thumb screw features a double-wing design for easy manual operation. It can be used with a wing nut to form a fastener that can be adjusted from multiple positions, making it convenient to use Used in industrial manufacturing, mechanical equipment, electronic equipment, hardware lighting, building bridges, furniture repair, yard equipment, crafts and other 3D DIY projects.