AstroSystems AstroBeam II, 2" laser collimator with magnetic barlow attachment (for newtonian scopes).
Got this one is from SDM about three months ago.
Excellent condition. Includes two 2" end caps.
Current SDM price is $198.
http://www.sdmtelescopes.com.au/
Asking $120 plus postage ex Sydney.
PM me,
gb.