2 x Bowers Wilkins FPM6 After Market Nautilus Replacement Tweeter Coils Foils.Always fit in pairs, that way they will look exactly the same & they will also sound exactly the same.For the Avoidance of any Doubt, these are After Market Generic Replacement Bowers & Wilkins Nautilus Tweeter Coils Foils.They are a very good replacement for your old blown or dented Nautilus Tweeters.BEFORE you first open the Tweeter up make sure that you mark the Position of both parts of the Tweeter, they slot together in a certain place & marking them before opening them will save you loads of time & agro later on.You will need the following tools to fit these.A Very Small Philips Screwdriver.A Very Small Flathead Screwdriver.A Soldering Iron + Solder.Some Superglug & a Cotton Dud.Most will Slot into place without the need of any Superglug, there are a Few that will need a Tiny Amount of it to Fix into Place correctly.Wire Connections: They will only Fit in One Direction, just use Common Sense when Fitting into Place, you do Not need to attempt to Wire them in any other way that what should be 100% Logical.Please Note: These many Look Very Similar to the Standard Bowers & Wilkins Coils - Foils that we Sell, they are NOT the Same.There is a Size Difference of Less than 1mm, Meaning they are NOT Interchangeable, there are also Differences in the Specifications of them.You will need a Steady Hand, a Fair Degree of Common Sense (like do not Glue into Place until you have made sure it Fits together correctly) & a Few Minutes spare time when Fitting these.REMEMBER, THEY ARE VERY DELICATE, NO RETURNS ON ANY COILS - FOILS THAT YOU DAMAGE WHILST FITTING THEM.RETURNS ON BRAND NEW NOT FITTED COILS - FOILS ONLY.If you are not still not sure about fitting these, in the first instance have a look on Youtube, you will be able to find videos on there showing what to do.If you still have issues, then send an email through eBay messaging to us, we will attempt to get back to you within 24hrs (we are NOT sat on the computer 24/7)FREE UK SHIPPING ON THIS ITEM.All items are sent by signed for & recorded delivery.