nah it doesn't include the die set

i'm figuring i'll get one for 1 1/2"... but i still don't get the difference between tube and pipe for the die sets. i thought both pipe and tube meant hollow, or is it more than that?
Part# Description Degree Minimum Wall Price
of Bend Thickness
100222 M3B Round Tube Die Set - 1 1/2" (4.5-90) 90 .095" $225
100223 M3B Round Tube Die Set - 1 1/2" (4.5-180) 180 .095" $265
100225 M3B Round Tube Die Set - 1 1/2" (5.5-90) 90 .083" $240
100226 M3B Round Tube Die Set - 1 1/2" (5.5-180) 180 .083" $280
100227 M3B Round Tube Die Set - 1 1/2" (6.5-90) 90 .058" $250
100228 M3B Round Tube Die Set - 1 1/2" (6.5-180) 180 .058" $290
100285 M3B Pipe Die Set - 1 1/2" Pipe, 1.900" OD (5.5-90) 90 Sch 40 $280
100286 M3B Pipe Die Set - 1 1/2" Pipe, 1.900" OD (5.5-180) 180 Sch 40 $330
100287 M3B Pipe Die Set - 1 1/2" Pipe, 1.900" OD (6.5-90) 90 Sch 40 $295
100288 M3B Pipe Die Set - 1 1/2" Pipe, 1.900" OD (6.5-180) 180 Sch 40 $345
I was hoping i could find some die sets somewher else for cheaper! I was figuring on checkin ebay... but gotta make sure i get the right application.