RIGHT HAND METRIC dies  /  M20 M18 M16 M14 M12 M10 M9 M8 M7 M6 M5 M4 M3 /  ROUND DIE
M2-M3-M4-M5---- 13/16 Inch OD

M6-M7-M8-M9-M10 --- 1 Inch OD

M12-M14-M16 --- 1.1/2 Inch OD

M18 - M20 --- 2 Inch OD 

M27 - M30 --- 2.5 Inch OD 

QUALITY PRODUCT &  FIRST CLASS POST UK MAINLAND