Please offer 2 pcs Back to back air cylinder, 7'' bore, 10'' stroke (with eye assembly, effective end dimension 3'' REF), 23'' stroke (with clevis 1/4'' set crew, effective end dimension 4 - 1/8'' REF, pin 1 - 3/8'' x 5 - 1/2'' length, c/w washer and stainless stell cotter pin in both ends). 3/4'' NPT ports. 54 - 7/8'' retracted, 87 - 7/8'' extended