B-Line series square washer, 1.62" H x 1.62" L x 1.62" W, Steel, Electro-plated, 5/16" bolt size, Square washer General specifications Product Name Eaton B-Line series square washer Catalog Number B200ZN UPC 781011519933 Product Length/Depth 1.625 in Product Height 0.25 in Product Width 1.625 in Product Weight 0.18 lb Certifications Not Applicable Product Type Square washer Model Bolt/thread/rod size 5/16" Special features Hole size 3/8 in diameter Type Square washer Material/finish Finish Electro-plated Material Steel