60C Closed series-both sides can be opened
45C Closed series-both sidescan beopened
35C Closed series-both sides can be opened
26C Closed series-inner side can be opened
80 Non-closed series-bothsidescan beopened
60 Non-closed series-bothsidescan beopened
45 Non-closedseries-bothsidescan beopened
35 Non-closedseries-bothsidescan beopened
26 non-closed series-innersidecan beopened
18series-innersidecan beopened
Minitype 15series- onesidecan beopened
Minitype 10Series-can not beopened