This O-RING BRAKE 50MM is suitable for Summa SummaSign cutters. This is the original Summa part (number ND5000-9698). This O-Ring has a inner diameter of 50mm and a outer diameter of 56mm.
 
Printer compatibility
Summa DC3
Summa DC4
Summa SummaSign T1010
Summa SummaSign T1010 PRO
Summa SummaSign T1010SL
Summa SummaSign T610
Summa SummaSign T610 PRO
Summa SummaSign T750
Summa SummaSign T750 PRO
Summa SummaSign T750SL
Summa T1010A