Split Lock Washer, Lock Washer Type Split Lock, Finish Plain, Material Stainless Steel, For Screw Size M20, Inside Diameter 20.2 mm, Outside Diameter 33.6 mm, Maximum Thickness 4 mm, Minimum Thickness 4 mm, Dimensional Standards DIN 127 B, Material Grade/Class 18-8, Pack Size Small Pack, Package Quantity 5