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LIGHTWEIGHT
Extremely lightweight, especially in its class of dispensers. -
ZINC CHROMATE
Zinc Chromate plated for increased life and protection from rust and pitting.
Description
The Newborn 408N is a reliable ratchet rod caulking gun engineered for controlled dispensing of thin, low-viscosity materials. Featuring a 6:1 thrust ratio, it provides smooth, steady material flow with manageable hand effort. Designed to work with three-lug tubes and built for everyday sealing and maintenance applications, the 408N delivers dependable performance for general-purpose caulking tasks.
Key Features
6:1 Thrust Ratio for Controlled Flow
The 6:1 thrust ratio provides balanced mechanical advantage, helping you maintain smooth, consistent extrusion of low-viscosity sealants with minimal effort.
Ratchet Rod Cradle Design
The ratchet rod mechanism ensures reliable feed and steady material delivery for neat, accurate application.
Three-Lug Tube Compatibility
Built to accommodate three-lug tubes in various sizes, giving flexibility for specific thin material applications.
Adjustable Dosage Settings
Offers selectable dosage increments (e.g., 5 cc, 10 cc, 15 cc), helping you control dispense volume precisely for repeatable results.
Ladder Hook and Finger Guard
Includes a ladder hook for convenient jobsite storage and a finger guard for added user protection during operation.
Heat-Treated Friction Plate
A heat-treated friction plate enhances durability and helps ensure smooth, reliable performance over time.
Lightweight Design
Weighing approximately 1.1 lbs., the 408N is easy to handle for extended use without excessive fatigue.
Why Youโll Love It
The Newborn 408N delivers dependable, controlled performance for thin material caulking applications. With its balanced thrust ratio, ratchet rod feed, and adjustable dosage settings, it offers precise control and consistent results for everyday sealing and finishing tasks.





