See http://www.cpsc.gov/en/Recalls/2014/Harris-Products-Group-Recalls-Welding-Torch-Handles/  The notice has more details and a list of model numbers and who to contact.

Hazard:

This recall involves two models of torch handles that were sold under the Lincoln Electric® and Harris Products Group® brand names. The torch handles are used in welding. They are gold in color and made out of brass. Welding torch model numbers include 18-5 and 85. Manufacture date codes include FM, GA, GB and GC. The model number and date code are stamped on the torch handle at the end closest to the flame. 

Sold at

Home Depot and Lowes stores, industrial gas distributors including Airgas, Praxair and Matheson and other retailers nationwide, and online at www.homedepot.com and www.lowes.com from December 2013 through May 2014 for between $125 and $450 when sold individually and for between $250 and $1,230  when sold as part of a kit.