US
Powernail

Powernail 50PFLEXW 18 Gauge L-Cleat Flooring Nailer

  • 18 gauge L-cleat nails, pneumatic flooring nailer
  • Aircraft grade aluminum body, 11.4 lb
  • 1.5 inch size listed, groove diameter 19 millimeters
  • 17.75 x 16 x 5.5 inches, L-shaped tool
  • Flex model, named in the included components

Last refreshed Aug 4, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A light aluminum cleat nailer for installing flooring, for a floor installer who wants less weight over a long day. The listing says little about nail length or air pressure, so confirm those against the manual.

As an Amazon Associate I earn from qualifying purchases. ProductDome earns a commission when you buy through links on this page.

ASIN: B00KZNUP16Model: 50PFLEXWCategory: Nailers

Overview

A cramped bedroom, a hallway or a living room all start the same way with this Powernail, an air-driven L-cleat nailer for flooring. Its aluminum body is formed as an L so the nose rests against the board while the head takes the strike.

Aircraft grade aluminum brings the weight down compared with a cast iron tool, which matters when it is lifted thousands of times in a job. The listing does not state nail length range, operating pressure or magazine capacity, so those need checking elsewhere.

Who it's for

Professional floor layers and renovators who nail plank flooring with cleat fasteners will use the tool as intended. Do not buy it for stapling, finish carpentry or any job where the fastener is not an L-cleat.

Pros and cons

Pros
  • Aluminum body reduces tool weight
  • Cleat nails for flooring installs
  • Compact L shape for tight edges
  • Pneumatic drive needs no charging
Cons
  • Nail length range not listed
  • Needs compressed air and a hose
  • Not usable for general nailing

Performance notes

Compressed air drives the cleat nail, so regulator pressure and compressor recovery govern how quickly boards go down. The L-shaped body lets the nose rest on the flooring while the strike point stays clear of the board face. A lighter aluminum body reduces arm fatigue across a long installation day.

Specifications

BrandPowernail
Model50PFLEXW
Dimensions & fit
Product dimensions17.75 x 16 x 5.5 inches
Item weight11.4 pounds
Size1.5 inches
Compatible Groove Diameter19 millimeters
Power & efficiency
Power SourcePneumatic
Construction & materials
Material TypeAircraft grade aluminum
Included components
Unit Count1 Count
Other details
Type of nailerL-cleat flooring nailer
Nail gauge18 gauge
Fastener TypeNails
Item ShapeL-Shape
Set NamePOWERNAIL 50PFLEXW Floor Nailer

Frequently asked questions

Is the Powernail 50PFLEXW a stapler?

No. The listing names it an 18 gauge pneumatic L-cleat flooring nailer and gives the fastener type as nails, not staples.

What does the 19 millimeter groove figure mean?

The listing gives it as compatible groove diameter, a measure of the groove the tool is built to work with. Check the manual for the flooring thickness it covers.

How heavy is the 50PFLEXW?

The listing states 11.4 pounds and describes the material as aircraft grade aluminum.

What does Flex in the name refer to?

The included components line reads Floor Nailer, 18 ga., Pneumatic, Flex. The listing does not explain the Flex feature further.