Fini T50 Pneumatic Air Staple Gun 20 Gauge Upholstery Stapler

Fini 20-Gauge Pneumatic T50 Staple Gun – Advanced Series (Model 9045783)

The Fini Advanced Series 20-Gauge Pneumatic T50 Staple Gun is a lightweight, durable, and easy-to-use stapler designed for precision work across a wide range of applications. Built with a rugged aluminum body and steel internal components, this stapler delivers consistent performance while remaining comfortable for extended use thanks to its soft rubber comfort grip.

Designed to work with widely available T50 staples, this tool is perfect for upholstery, insulation, woodworking, and general repairs. With built-in safety features and user-friendly operation, it’s a dependable choice for both professionals and DIY users.

Key Features

• T50 Staple Compatibility – Uses standard 20-gauge T50 staples (easy to find anywhere)
• Wide Staple Range – Accepts 1/4" to 5/8" (6mm–16mm) staples
• Covers Common Sizes – 1/4", 5/16", 3/8", 1/2", and 5/8"
• Lightweight Design – Weighs just 1 lb 15 oz for reduced fatigue
• Soft Rubber Comfort Grip – Improved handling and reduced vibration during use
• Durable Construction – Aluminum body with steel staple rail and internal components
• Sequential Fire Safety – Will only fire when pressed against the work surface
• Quick-Load Magazine – Easy push-to-release slide for fast reloading
• Adjustable Air Exhaust – Direct airflow away from your face and workspace

Specifications

• Model: 9045783
• Fastener Type: T50 Staples
• Gauge: 20 Gauge
• Staple Length Capacity: 1/4" – 5/8" (6mm – 16mm)
• Operating Pressure: 60 – 100 PSI
• Maximum Pressure: 120 PSI
• Air Inlet: 1/4" NPT
• Magazine Capacity: ~100 staples
• Firing Mode: Sequential
• Weight: 1 lb 15 oz
• Dimensions: 8.75" H x 6.75" W x 1.75" D
• Includes a 1/4" industrial air coupler plug pre installed

Note: This stapler is labeled as a “21-gauge T50” model; however, T50 staples are an industry-standard 20-gauge fastener, and this tool is fully compatible with all standard 20-gauge T50 staples. This is simply a labeling inconsistency from the manufacturer and does not affect performance or staple compatibility in any way.

What’s Included

• Fini 20-Gauge T50 Pneumatic Staple Gun
• Starter bottle of air tool oil (less than 1 oz)
• Allen wrench

Note: Staples are sold separately. This unit does not include a carrying case.

Ideal Applications

• Upholstery and fabric work
• Insulation installation
• Screen repair
• Light woodworking and trim
• DIY and general home projects

Why This Stapler?

If you’re looking for a reliable, no-nonsense pneumatic stapler that uses easy-to-find staples and won’t wear you out, this Fini model checks all the boxes. It’s lightweight, durable, safe, and comfortable to use—making it a great addition to any shop.