Split Lock Washer Lock Washer Type Split Lock Finish Plain Material Stainless Steel For Screw Size 1/4 in Inside Diameter 0.25 in Outside Diameter 1/2 in Maximum Thickness 0.072 in Minimum Thickness 0.072 in Color Silver Dimensional Standards cULus Material Grade/Class Not Graded Pack Size Small Pack Resistance Properties Corrosion Resistant System of Measurement Inch