Self locking plier for flange clamps

Three-grip pliers: wide front nose, thin nose on the left-hand side and special click-collar thin nose on the right-hand side.
Capacity of 46mm for the short version 208-50-S and of 64mm for the wide version 208-50-L.
Can be used with 14mm wrench or hand or impact ratchet with 1/4" drive square.
Overall dimensions: 80x35x25mm version 208-50-S.
Overall dimensions: 105x35x30mm version 208-50-L.
When working on the cooling circuit, you have to deal with self-tightening elastic collars that are very hard and very difficult to hold in the open position.