M12 x 24mm OD DIN 125 Grade HV200 Yellow Zinc Finish Steel Type A General Purpose Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 13.0 MILLIMETERS NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 2.5 MILLIMETERS NOMINAL OVERALL DIAMETER: 24.0 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: MRAP - COUGAR CAT1 A1; MRAP - M-ATV DV178; MRAP - COUGAR CAT1 A2 SPECIAL FEATURES: HARDNESS CLASS 200HV; FOR BOLT SIZE M12 COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: DICHROMATE ZINC OVERALL