The 8DG-50-1-1 is a dispensing gun, made of solid plastic, for use with dual cartridge systems. It features an easy snap in / snap out cartridge insertion system that facilitates cartridge installation in seconds. The trigger activated control provides a steady increment flow of hardener and resin through an optional static mixer that can be attached to the head of the cartridge. Simply pull the trigger and obtain exactly mix ratio of material needed to complete your task. Features & Benefits - Suitable for medium to high viscosity 2 part systems - Premium quality for long-term usage - Twin gripping plate - Easy cartridge load and operation - Lightweight - Tension release through plastic arm pull - Compatible with 50mL 1:1 cartridges Reproductive Harm—www.P65Warnings.ca.gov. This product can expose you to chemicals including n-hexane, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. https://www.mgchemicals.com/downloads/compliance/prop65/404B Prop 65 Notice.docx