MN 30 : internal lenght 7 mm, internal widht 3 mm gr 1,40 in 14 kt

MN 32 : internal lenght 10 mm, internal widht 4 mm, gr 3,00 in 14 kt

MN 60 : internal lenght 7,50 mm, internal widht 3,50 mm, gr 1,60 in 14 kt