<UL><LI>The body material has been changed from brass to aluminium, achieving impressive weight reduction.</LI><LI>The overall length of the cylinder has been reduced resulting in an extremly compact cylinder.</LI><LI>Solid state auto-switches can also be mounted now.</LI><LI>Longer stroke options are now available.</LI><LI>Internal rubber bumpers provide quieter operation and longer life (up to 5 million cycles.</LI></UL>