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CUTTER
Cuts the spout of caulk tubes. The cutter on model 250 is the only one of its kind. -
EZ THRUST
Increases power and ease of use by advancing the push rod from the top of the friction plate instead of below like others in its class. -
LADDER HOOK
The dispenser either has a ladder hook built into the end of the push rod or comes with one to attach to it. -
POKER
Equipped with a poker to break the seal on the end of caulk tubes.
Description
The Newborn 105 is a reliable smooth rod caulking gun engineered for everyday sealing and general-purpose applications with larger 29 oz. cartridges. Built with a 10:1 thrust ratio, it delivers smooth, controlled dispensing for low- to medium-viscosity materials such as acrylics, latexes, and silicones, while providing the extra muscle needed for larger volume jobs. Durable and easy to use, the 105 is ideal for professionals and serious DIYers tackling bigger caulking projects.
Key Features
10:1 Thrust Ratio for Balanced Performance
The 10:1 thrust ratio delivers efficient mechanical advantage for smooth, consistent extrusion of sealants and adhesives with manageable hand force.
Smooth Rod Pressure System
The smooth pressure rod ensures consistent feed and quieter operation compared to ratchet-style guns, helping maintain cleaner beads and controlled material flow.
Easy Pressure Release Mechanism
A thumb-activated pressure release allows quick stopping of material flow and effortless cartridge changes, reducing mess and improving control.
Integrated Spout Cutter and Seal Puncture Tool
Built-in finishing tools allow you to open cartridges and prepare sealant quickly without needing additional accessories.
Larger Cartridge Capacity
Designed to hold 29 oz (1/4 gallon) cartridges, the 105 is well suited for bigger jobs where more material per load is needed, reducing reloading frequency.
Why Youโll Love It
The Newborn 105 combines a balanced thrust ratio, smooth rod operation, and generous cartridge capacity to deliver dependable performance for larger sealing, bonding, and adhesive applications. Whether youโre on the job site or working on home improvement projects, it offers the power and control you need without unnecessary complexity.







