1. If you want to order cylinder with 20mm bore, 50mm stroke, The back cover type to Fishtailing Type, which is the stainless steel mini pneumatic cylinder adopting SDB fix type, the right order Number is:MA-20×50-SDB;
2. If you want to order cylinder with 63mm bore, 80mm stroke, The back cover type to Stabilizer Type, which is the Basic Duplicated Cushion stainless steel mini pneumatic cylinder, the right order Number is:MAC-U32×100;