We are pleased to send you the comments received from our product management:
Reply to A)
The adapter ring is always included in case a customer uses another motor Ø 56 to 60mm
In order that the ring does not get lost it is already pre-assembled.
The adaptor ring is not needed with the new drill motors as the clamping collar has a Ø 60 mm.
Yes, the adaptor ring has to be removed before the new drill motor is used.
Reply to B)
The vacuum set is optional and is not part of the scope.
If you may require it kindly send us your order. The item number is FF35710.
The net price/pc. is:
Hoping these comments will be helpful to you.