12:1 Manual Drive, 300ml Sausage Adhesive Caulking Gun, With 2" Diameter Aluminum Barrel. Thrust: 375 Lbf, Pressure: 120 Psi Made Of Powder-Coated Lightweight Aluminum For Long-Lasting Reliable Performance; Corrosion-Resistant Aluminum Handle And Trigger 360-Degree Rotating Barrel Allows For Easily Changing The Angle As Needed (Great For Maneuvering Around Small Corners) Features Include Full Size Handle For Comfortable And Efficient Dispensing, Double Gripping Plate Technology For No Slipping And Long Life, Convenient Rotating Swivel Barrel, And Durable Sausage Pistons Prevent Bag-Wrap. Designed For Standard Viscosity Materials. Aluminium Barrel With Metal Caps Single Component Applicator Gun Is For Silicone Sealant/ Polyurethane Sealant Sausage Foiled Pack 300ml Sachets/ Sausage. Smoothly Squeeze The Sachets/ Sausage. High Performance Caulking Gun/Silicon Gun With Changed Designs For Efficient And Smooth Usage. Heavy Gun Good Performance Highly Durable Gun With Effortless Working For 300ml Sealant Pouches Generally Used For Filling Gaps In Window Frames