Split Lock Washer, Lock Washer Type Split Lock, Finish Zinc Yellow, Material Steel, For Screw Size 1 1/2 in, Inside Diameter 1.504 in, Outside Diameter 2.419 in, Maximum Thickness 0.375 in, Minimum Thickness 0.375 in, Dimensional Standards ASME B18.21.1, Material Grade/Class Not Graded, Pack Size Small Pack, Rockwell Hardness C40 to C50, Package Quantity 5