Pneumatic Upholstery Stapler, 20-Gauge T50, 4–16mm

Pneumatic upholstery stapler delivers consistent fastening for wood, fabric, and trim with controlled sequential firing for safer, cleaner results. Designed for 20-gauge T50 staples, it handles a 10.8 mm (7/16") crown and 4–16 mm (5/32"–5/8") leg lengths—ideal for upholstery, light furniture assembly, picture framing, and DIY crafts. Lightweight aluminum alloy construction and an ergonomic non-slip grip help reduce hand fatigue during longer sessions.

• Fits 20-gauge T50 staples with 7/16" crown and 5/32"–5/8" leg lengths for common upholstery and woodworking tasks


• Delivers reliable drive power at 70–110 PSI when connected to an air compressor (not included)


• Includes sequential firing mode to help reduce accidental discharge and improve placement control


• Holds up to 100 staples in the magazine to cut downtime from frequent reloading


• Directs air away with a rotatable exhaust and adds comfort with a lightweight, non-slip rubber grip

From attaching sofa fabric to securing decorative trim and assembling wooden frames, this air staple gun is built for fast, repeatable fastening without the bulk of heavier tools. The 1/4" NPT air inlet makes it easy to hook into many compressor setups, while the safety-focused trigger design supports confident use in busy workshops. Stock your preferred T50 staples in the lengths you use most and keep projects moving with fewer reload breaks. Grab yours today and get cleaner stapling on every pass.

• Staple type: 20-gauge T50 staples


• Compatible crown width: 7/16 in (10.8 mm)


• Compatible staple length: 5/32–5/8 in (4–16 mm)


• Operating pressure: 70–110 PSI


• Air inlet: 1/4" NPT


• Magazine capacity: up to 100 staples


• Main material: aluminum alloy


• Net weight: 2.2 lb (1 kg)


• Dimensions: 9.84 x 2.05 x 6.89 in (250 x 52 x 175 mm)


• In the box: stapler, safety glasses (staples not included)