CM-100-OAL Set includes:Expander handle, tube cutter ,reamer and expander Heads for:3/8",1/2",5/8",3/4", 7/8",1" O.D.tubing. Lever Type Expander KitsCM-100-ATL Set includesCM-100-H Expander handleCM-100-E Expander Heads for: 3/8",1/2",5/8",3/4", 7/8",1" O.D.tubing.CM-100-EL 3 sizes out of 5 expander heads are optional :1-1/8",1-1/4",1-3/8",1-1/2",1-5/8" O.D.tubing.CM-208 Inner-Outer Reamer 3/16" ...