Power through Tyvek wrap, carpeting, and a host of fastening tasks with the FLEX FX4521-1A 3/8" Stapler Kit. This cordless, brushless stapler is built for pros and DIYers who want serious performance without dragging a power cord around.
Key Features & Design
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Powerful 24V Brushless Motor delivers high-speed performance with zero ramp up time.
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Drives up to 3 staples per second for fast, efficient work.
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Up to 5,000 staples on a single charge with the included 2.5Ah lithium-ion battery.
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Power adjustment dial to easily set the ideal stapling depth.
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Dual LED worklights illuminate dark work areas for precise placement.
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Bump and sequential firing modes give you flexibility on the job.
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Staple indicator lets you see how many staples remain in the magazine.
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Dry-fire lockout prevents blank firing and protects your work when the supply runs out.
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Compact and lightweight design makes tight spaces easier to conquer with less fatigue.
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Belt clip can be mounted on either side with a convenient lead-in profile.
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Accepts 3/8-inch crown size fasteners for versatile fastening options.
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Includes the kit essentials – 3/8" stapler, 2.5Ah battery, 160W fast charger, belt clip, (3) no-mar tips, and FLEX bag.
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THE FLEX ADVANTAGE - 20% more power with 24V lithium, 25% longer runtime with THERMA-TECH heat management, up to 50% faster charging with high-power, dual-fan chargers.
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FLEX cross-compatibility - works with all FLEX 24V batteries, chargers, and tools.
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Warranty - FLEX Limited Lifetime Warranty when registered within 30 days of purchase through December 31, 2024.
What’s in the Box
- 3/8" Stapler [FX4521]
- Onboard screen attachment
- 24V 2.5Ah Lithium-Ion Battery [FX0111]
- 24V 160W Fast Charger [FX0411]
- Belt Clip
- Soft Bag
Specifications
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Voltage (V) 24 V
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Motor Type Brushless
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Nailer Type 3/8" Crown Stapler
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Driving Mechanism Mechanical Spring
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Fastener Crown Size 3/8“
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Fastener Length 1/4" - 9/16"
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Fastener Angle 0°
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Operation Mode Bump/Sequential
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Max. Firing Speed 3 fasteners per second
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Runtime 5000
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Magazine Type Hollowed-out
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Loading Style Bottom Loading
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Max. Capacity 89
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Magazine Angle 0°
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Magazine Material Metal
| Voltage (V) |
24 V |
| Motor Type |
Brushless |
| Nailer Type |
3/8" Crown Stapler |
| Driving Mechanism |
Mechanical Spring |
| Fastener Crown Size (inch) |
3/8“ |
| Fastener Length (inch) |
1/4" - 9/16" |
| Fastener Angle (°) |
0 |
| Operation Mode |
Bump/Sequential |
| Max. Firing Speed (Fasteners Per Second) |
3 |
| Runtime |
5000 |
| Magazine Type |
Hollowed-out |
| Magazine Loading Style |
Bottom Loading |
| Magazine Max. Capacity |
89 |
| Magazine Angle (°) |
0 |
| Magazine Material |
Metal |
| Tool Weight (lbs) |
2.76 |
| Tool Length (inch) |
7.07 |
| Tool Width (inch) |
2.91 |
| Tool Height (inch) |
7.52 |
