Hey Guys, I got one for free in the post today, It has a web address on it if you want to buy one. they are none metallic so do not put any debris in the oil. its a nice little tool
Check the site out at
WWW.THECANKEY.COM
Mine was sent to me by Adams Aviation as a freebie with an order.... It has their name and Exxon Mobil on it, so may be available from them. phone number on it too +44 (0) 1959 576129