You will receive top quality UK made 7/16″ 26TPI CEI nuts as fitted to Triumphs and many other British motorcycles and cars, original part number DS47.
Used extensively on many frame, bolts and stud fixing points. Gearbox mounting, swinging arm, frame etc.
Thread: 7/16″ x 26 TPI CEI
Depth: 1/4″ (6.5mm)