the model number is 504 wr78x. i do not know exactly wat models this fits but am sure someone on here knows.... also selling the wrench in the picture for them to, again not been used but dont have the packaging.
looking for £20 delivered for both of them together
or
£18 delivered for the spark plugs and £5 delivered for the wrench...... let me know if ur interested.
im going away friday afternoon so if i dont get a chance to look at a computer on saturday i'll be back on sunday evening.