Split Lock Washer, Lock Washer Type Split Lock, Finish Plain, Material Stainless Steel, For Screw Size M8, Inside Diameter 8.1 mm, Outside Diameter 12.7 mm, Maximum Thickness 2 mm, Minimum Thickness 2 mm, Dimensional Standards DIN 7980, Material Grade/Class 18-8, Pack Size Small Pack, Rockwell Hardness C40, Package Quantity 50