Split Lock Washer, Standard, Spring Steel, Finish Yellow Zinc, Fits Bolt Sizes M6, M6, Inside Dia. 6.1 mm, Outside Dia. 11.8 mm, Thickness 1.6 mm, Color Silver, General Purpose, For Use With Adhesives, Bolts, Hex Head Cap Screws, Nuts, Socket Head Cap Screws, Washers, Meets/Exceeds D127B, PK 100