1/2" flat washer BLACK OXIDE ID 17/32" x OD 1 1.4" x .060 thick
You will get 1 brand new 1/2" flat washer as pictured. This is 18/8 stainless steel that is Black Oxide coated, correct for Antique Motorcycle and Auto restoration.
For 1/2" screw ID 0.531" x OD 1.25" x .060 thick