Taag Industries Corp. has unveiled the new Tin Knocker Pittsburgh air hammer. The product is a 16-gauge capacity, pistol-grip hammer used to close Pittsburgh locks. The company said that the new air hammer will compliment the 20- and 24-gauge Pittsburgh roll formers produced by Taag, and are now available from HVAC supply houses nationwide.

Taag Industries Corp., 1257-B Activity Drive, Vista, CA 92081; (800) 640-0746; fax (760) 727-9948;www.tinknocker.com.