1/10 Gallon, Red, Superior E-Z Thrust Caulker, Hex Smooth Rod Non-Drip Parallel Frame Caulk Gun For Use With 10 OZ Cartridges, Drip Free Spring Clip Drive, E-Z Thrust Mechanism, Built In Spout Cutter, Seal Puncture Tool & Ladder Hook, E-Z Load Front Cap, All Steel Welded Construction, Equipped With Caulk Buddy Finishing Tool To Provide Perfect Bead, Thrust Ratio 10:1.