Mfg.,Part No.,Desc.,Units,ID,OD,Length,Material,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine,Engine
Apogee,EB-50,Eng. block BT-50,in.,0.74,0.95,0.25,Paper
Estes,30162-2,Eng. block BT-20,mm,16.530000000000001,18.033999999999999,5.,Paper