Powernail Model 1890U 18ga Narrow Crown Underlayment Stapler

The 1890U PowerStapler is a trigger-pull stapler designed to bring Powernail quality and flooring expertise to a pneumatic underlayment stapler. The 1890U is designed for use with 1/4″ crown, 18 GA staples from 7/8″ to 1-1/2″ in length.

Product Features

  • Drives 18 GA Staples 7/8″ to 1-1/2″ with a 1/4″ crown
  • Quick jam release
  • Double length anodized aluminum magazine
  • Bump fire /Single fire operation and a 360° adjustable exhaust
  • One year warranty

One thought on “Powernail Model 1890U 18ga Narrow Crown Underlayment Stapler

  1. Broke in a week The stapler broke after a week of use. Then powernail wants me to pay to ship it back for repair. Now I need to buy a new stapler to use while the other one gets fixed. I should note I did not buy on Amazon so unfortunately I didn’t have there great customer support.

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