At least we know what model now!
Your machine takes 2.0mm (0.080") trimmer line, and no you can't put a blade on it.
ALM Manufacturing www.almmanufacturing.com 01423 797208 make the spools for this model, do a search on ebay or google for
"ALM SL003" for a pack of trimmer line
"ALM MC101" for a spool pre-filled with line
"ALM MC111" for the whole spool head assembly
Richard
August 2010