KEENTECH Pneumatic Staple Gun 21GA – 1/2 inch Crown, 3000 Staples, 60-120 PSI

KEENTECH 21GA Pneumatic Staple Gun: Precision Fastening for Upholstery and Trim

Meet a compact pneumatic tool designed to secure fabric, leather, padding, and lightweight wood details with steady power and comfortable handling. Crafted with a durable aluminum body and an ergonomic rubber grip, this stapler aims to support extended sessions without excessive wrist strain, while delivering reliable performance at the press of a trigger.

What’s in the box and what you should know before you start

• Important note before purchase

  An air compressor is required for operation but not included. KEENTECH backs the tool with a 3-year after-sales service and hassle-free replacements, plus around‑the‑clock customer support.

• Best value: 3000 staples included

  The kit uses standard 21GA 1/2" crown staples (1/4"–5/8" lengths). It ships with staple packs (8006/8010/8016) totaling 3,000 pieces and oil. The magazine holds about 125 staples, and the unit operates at 60–120 PSI.

Performance and durability

• 180–240 staples per minute with a long service life of 200,000+ cycles for efficient work flow.
• Aluminum open magazine and a robust firing pin design help minimize jams, while tool-free quick jam removal speeds up setup.

Safety, comfort, and control

• Upgraded double safety trigger reduces accidental firing. A 360-degree rotatable exhaust lets you direct airflow as needed.
• Lightweight at about 1.82 pounds and equipped with an ergonomic rubber handle to reduce fatigue during extended use.

Versatile applications

This pneumatic stapler adapts to a range of textures—from thin wood panels and wood strips to PVC, leather, and padding. It’s ideal for securing fabrics on sofas and chairs, plus trim work, picture frames, and automotive upholstery.