VONT SSF-SR-R02-1 300mL Unique Switchable 12:1 and 24:1 Thrust Cartridge Manual Caulking Sealant Gun is designed for industry standard 310ml (10.5 oz) cartridge. Unique Switchable thrust ratio from 12:1 to 24:1 enables you to use low to high viscosity materials. Easily switch the button, you will feel different when squeeze the materials. 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. Twin heat treatment push plates offers long-lasting use. Steel riveted carriage offer stability for cartridge loading and dispensing. Made with impact resistant Nylon+ Glass fiber handle and trigger for corrosion prevention and extra durability. Built-in cartridge puncture tool allows you simply pierce dry materials inside the nozzle. The soft rubber grip offers comfortable using. A cover handle design 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
• Impact-resistant Nylon+Glass fiber handle and trigger for corrosion resistance
• Twin heat treatment steel push plate adds durable use
• Magic Switch thrust ratio (12:1 & 24:1 )for low to high viscosity materials / large flow or easy work