Description
Material: Nuts + plastic.Head shape: black, six petals.Types of:Perforated / No Perforated(Optional).Specification:M4 M5 M6 M8 M10 M12.Head diameter:25mm 32mm 38mm 48mm(as show).Wide Applications: commonly used in machinery, furniture, car, motorcycle repair, environmental protection equipment, 3D printing equipment, communication equipment, power facilities, electronic products, ship assembly, and DIY inventions, and more.