Woodbridge 
VONT SSF-CE-R05K 900mL Single 12:1 Thrust Cartridge Manual Caulking Sealant Gun is compatible with industry 856ml to 900ml (28oz to 32oz) quart size cartridge. 12:1 thrust ratio is perfect for low and medium viscosity materials such as Silicones, Acrylics, Polyurethane, Adhesives, etc. It has a rotary carriage and swivel handle allows you to rotate at any angle when caulking around corners or hard-to-reach area. Patented no trigger gaps design offers precise and efficient dispensing. Pressing thump pressure release plate can release the stress from cartridge to stop materials run-on. You don't have to worry about the mess. Larger J ladder hook puller is convenient for hanging on ladders and scaffolding when not in use. Built-in cartridge puncture tool allows you simply pierce dry materials inside the nozzle. Heavy duty aluminum alloy handle and steel trigger offers durable use. Steel riveted carriage offers stability for cartridge loading and dispensing. A protect case cover the handle can protect the parts from corrosion and be more aesthetic.
Features
- 360° rotary carriage for smoothly caulking around corners
- Built‐in cartridge puncture tool for simply pierce the dry materials in the nozzles
- Patented no trigger gaps design offers precise and efficient dispensing
- Aluminum alloy handle / Steel trigger for long durability
- Twin heat treatment steel push plate add durable use
- 12:1 thrust ratio for low and medium viscosity materials