What is the difference in this set vs the systainer set?

The set (583290) includes the following:- Guide plate - Centering mandrel - Linear stops - (2) Two edge stops for drillingThe Systainer Set (584100) includes everything you need including bits and clamps:- Guide plate - Centering mandrel - Wrench - Hinge location cutter HM dia. 1-3/8" (35 mm) - Dowel drill bit dia. 7/32" (5 mm) V-shaped tip - Dowel drill bit HM dia. 3/16" (5 mm) with centring bit and pre-cutter - 2 parallel side fences with adjustable stop - Screw Clamp, 4-11/16" - Longitudinal stop - SYSTAINER SYS 1 T-LOC