Mine was a gift. It is this one:
http://www.sausagesource.com/catalog/ce-meterinj.html
Code:
CE-METERINJ
Price:
$64.84
CE-METERINJ.gif
It comes with two needles. One with dispersed holes for even distrobution, and one with an open tip (pictured) perfect for injecting pastes/chunky marinades.