Replacement 510 atomiser adapter for you Don or Mako.   Simply unscrew the existing adapter and replace it with this one.  

These adapters are made from high quality brass and have slots to make them easily removable with a coin or screwdriver.

Your 510 adapter should be compatible with any number of different brands including the ACTV4, 510 clearomisers, 510 cartomisers, EGO-T XL atomisers, DCT, or regular 510 atomisers.

Can be combined with this small brass part: http://www.mojurepublic.com/products/801-brass-addon-Don%7B47%7DMako.html to add 801 atomiser compatibility. 

Please see video tab below for more information.