
Metabo HPT N3804AB3
Score: 85/100
Arrow ET501C
Score: 88/100Rankings

The Arrow ET501C is a cordless 5-in-1 professional staple and nail gun powered by a rechargeable lithium-ion battery, designed for versatile use across multiple trades. Its main trade-off is the requirement for two-handed operation and the separate purchase of fasteners. It is ideal for DIY enthusiasts and light professionals requiring a portable, multi-tool solution.

The Metabo HPT N3804AB3 is a professional-grade pneumatic narrow crown stapler designed for finish carpentry, cabinetry, and furniture assembly. It features tool-free depth adjustment, selective firing modes, and an integrated air duster to clear debris during operation. It is best suited for professional carpenters and cabinetmakers who have access to air compressors and require precise, lightweight stapling.
| Attribute | ![]() | ![]() |
|---|---|---|
12.7 mmbest | — | |
| ↓ lower better | 2.3 lbsbest | 3.04 lbs |
70 PSIbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Fastener Compatibility(4) | ||
Staple Type | Narrow Crown | Multi-Type (T50, JT21, T25, 18ga) |
Staple Gauge | 18 Gauge | Multi-Gauge |
Staple Length Range (mm) | 12.7 to 38.1 mm | Unknown mm |
Staple Crown Width | 1/4 inch | Unknown |
Adjustability & Safety(2) | ||
Depth Adjustment | true | false |
Safety Mechanism | Sequential/Bump | Sequential Safety |
Power & Performance(4) | ||
Power Source | Pneumatic | Cordless |
Firing Mode | Sequential/Bump | Semi-Automatic |
Operating Pressure (PSI) | 70-120 PSI | N/A PSI |
Air Inlet Size | 1/4-inch NPT | N/A |
Physical & Ergonomics(2) | ||
Weight (lbs) | 2.3 lbs | 3.04 lbs |
Dimensions | 9.25 x 2.2 x 10.1 inches | 8.98 x 2.48 x 8.98 |
Magazine & Loading(1) | ||
Magazine Type | Strip | Bottom-Load |
Maintenance & Package(2) | ||
Jam Resistance | true | Unknown |
Included Accessories | Belt Hook | Battery, Charger |


Products in the top-left offer the best value (high score, low price).

Professional reviewers position the Metabo HPT N3804A5 as a pro-grade tool for carpenters, emphasizing its reliability in finish and trim work.
Indirect praise from retailer descriptions highlights consumer appreciation for the lightweight ergonomics and the utility of the integrated air duster for trim and furniture jobs.

Professional reviewers praise the Arrow ET501C for its professional-grade power, convenience, and multi-functionality, highlighting the lithium-ion battery's ability to deliver over 1,000 shots per charge.
Everyday consumers highly value the tool's versatility for DIY projects such as wiring, crafts, and trim installation. Users consistently report that the battery lasts through complete jobs without needing a recharge.

