model_code,size,stroke,rod,sensor,step_file
ULO50015AK0,50,15,A,K,ULO50015AK0.step
ULO50025AK0,50,25,A,K,ULO50025AK0.step
ULO50040AK0,50,40,A,K,ULO50040AK0.step
ULO50050AK0,50,50,A,K,ULO50050AK0.step
ULO50060AK0,50,60,A,K,ULO50060AK0.step