i agree with sean ive used a mark 3 or 4 for years never let me down yet most people i meet on the beach have the tip light mount on the wrong way round and ask why mine is taking a cast durrrrrrr work it out
i always carry a spare and a pack of starlights just in case tho
for the tip light mounting i just whip it on with normal sowing cotton and add a drop of super glue bobs your mums brother
never moved yet
cheers gazza , i was looking at them in a shop yesterday and the whipping them on put me off. i thought a shop would have to do it for me