Feature●A=30mm B=20mm C=4.5mm D=13.2mm●Material: 304 Stainless Steel Stainless steel has excellent corrosion and heat resistance●[Features] It is a type of loosening nut called a grooved nut or castle nut●Regular hex nut has a knurled shape with screw loosening function●A nut to prevent the nut from falling off by inserting the split pin through the hole opened in the opponents bolt and through the nutsDescription
Material: 304 Stainless Steel Stainless steel has excellent corrosion and heat resistance.