1/4" 18-8 Stainless Steel Small OD Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.250 INCHES NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.040 INCHES NOMINAL OVERALL DIAMETER: 0.563 INCHES NOMINAL END ITEM IDENTIFICATION: 2355015393639 SPECIAL FEATURES: 0.250 INCH NOMINAL SIZE MATERIAL: STEEL CORROSION RESISTING OVERALL NONDEFINITIVE SPEC/STD DATA: SMALL STYLE AND FLAT TYPE AND 0.280 POUNDS WEIGHT AND 18-8 GRADE