The Dripless Si300 Contractor Grade Heavy-Duty Caulking Gun Has A Steel Revolving Frame That Fits 10 Oz Cartridges And Has A 16:1 Thrust Ratio For Use With High Viscosity Materials Such As Silicone, Latex, Drywall, Sub-Floor Adhesives And Polyurethanes. The Gun Has Both Drip And Non-Drip Settings. On The Non-Drip Setting The Rod Retracts After Each Pull Of The Trigger Removing Pressure From The Tube To Help Prevent Dripping. The Hook On The Back Allows It To Hang On A Ladder And A Seal Puncture Tool And A Spout Cutter Are Built Into The Side Of The Gun For Opening Cartridges Without A Knife.
