i need to change my front brake pads, its for a saxo vtr 99, im i right in thinking i need, the ate pads?. because ive done a search, and found only 2 kinds of pads either the bendix for solid, and ate for the vented disks, but when i went in to the motor factors shop they said theres 3 different sorts, so whats the other ones then?

anyway im going to change the pads once ive got them on the front bye the way, ive been told ile need a 8m alan key, whats this for? and is there any usefull tips you could give me please, cheers.