wrote:

Unfortunately, it seems I have some really odd blades. Instead of
being "T" or "U" shaped, they look something like this:- (apologies
for the amateur ascii art)


Do they look like this?
http://www.screwfix.com/prods/15283/...01BR-Pack-of-5

Or these
http://www.screwfix.com/prods/15489/...101B-Pack-of-3

Ignore the type of blade, its just the end.


--
Dave - The Medway Handyman
www.medwayhandyman.co.uk