New born #520 manual dual cartridge epoxy dispenser gun

What is for sale: New born #520 manual dual cartridge epoxy dispenser gun

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A heavy duty gun designed for use with 10 fl. oz. (300 mL) and 5 fl. oz. (150 mL) INTER-MIX, INTER-FOAM and INTER-WELD products.
Designed for high viscosity products. Provides extra thrust and power. Mechanical advantage 18:1. Easily converts in just seconds to 150 mL x 75 mL and 75 mL x 75 mL. Snap In/Snap Out Conversion Push Disks Included.