Newborn Bros and Co #102D 1/10 Drip Free Caulk Gun, Superior E-Z Thrust Caulker, Hex Smooth Rod Caulking Gun, Drip Free Spring Clip Drive, Features E-Z Thrust Mechanism, Built In Spout Cutter, Seal Puncture Tool and Ladder Hook, All Steel Welded Construction, Ideal For Professionals and Do-It-Yourselfers.