Had some time this after noon so I looked up the P/Ns for ya.
This is what i was talking about the bit w/ the arbor you need to buy both a pick up some extra replacable blades.
This is from the UK catalogue te part umbers should be the same. Prices will vary with supplier.
Cutter spindle, ASL20/OF1400-OF2200 for CMS-OF 1400/OF 2000/OF 2200, for use with rebating head Basis FK D 50x30 in the Basis 6 A and CMS-OF, in self-service display pack
P/N 490131
Cutter spindle
ASL20/OF1010, for CMS-OF, allows use of rebating head Basis FK D 50x30 in the Basis 5 A and CMS-OF 1010, in self-service display pack. P/N 489285
Rebating head FK D 50x30 for CMS-OF, for use with cutter spindles, diameter 50 mm, in self-service display pack P/N 489284
Reversible blade WP 30x12x1,5 for rebating head, qty. in pack 2 Units, in self-service display pack PN 489286
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Oh and one of these saw blade holders are pretty slick to. I have one ad it clamps to the cross member of my CMS
Saw blade holder SGA for CS 50, CMS-GE, for safe and space-saving storage of up to 4 saw blades (max. Ø 190 mm) and up to 3 splinterguards (not in scope of delivery), in a carton
P/N 492228
Dont forget some metal cutting blades, dont know if we can get them here anymore