The 620AL aluminum smooth rod caulking gun fits 10 oz. or 20 oz. sausage packs and has an 18:1 thrust ratio. Ideal for use with medium to high viscosity materials such as silicone, acrylic, and many adhesives.
The smooth pressure rod requires less force and is quieter than a ratchet-style pressure rod. The aluminum barrel and zinc alloy handle and trigger are lightweight and resistant to corrosion.
(1) Self-Puncture and (2) PC-620 Cones included.
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