Polypropylene Black Caster 5" x 1-1/4" Swivel Total Lock Brake (TB) 300 lbs Delrin® Bearing P12 Series

Marsoni

M251S

$35.44

Get it in 3 business days with 1 day shipping. Friday, May 29

Polypropylene Black Caster 5" x 1-1/4" Swivel Total Lock Brake (TB) 300 lbs Delrin® Bearing P12 SeriesProduct Details : Polypropylene Black Caster 5" x 1 1 4" Swivel Total Lock Brake (TB) 300 lbs Delrin Bearing P12 Series Product Type: Light Medium Duty Casters Series: P12 Series Wheel Material: Polypropylene Black Caster Type: Swivel Brake Options: Total Lock Brake (TB) Mount Type: Top Plate Plate Material: Zinc Finish Wheel Diameter: 5" Wheel Width: 1 1 4" Tread Tire Material(s): Solid Black Polypropylene Wheel Core Rim Material(s): Black Solid

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Great product is you want to mount any size laptop under your desk. I used it for my Alienware gaming laptop and it's fantastic! The three points of contact hold the laptop securely, while allowing maximum airflow for the fans. The three "clamps" are rock solid and will definitely outlive the laptop. The installation was simple and easy, just need a drill.

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on March 15, 2026

Verified Purchase

David H.

Massapequa, US

★★★★★ 5

under desk laptop system

Color: Black, Size: 1.37" without hook

Reclaimed real desk space with this one. The mount holds the laptop securely underneath without any vibration or creaking and the installation required no drilling — clamped cleanly to the desk edge. The ventilation spacing is generous enough that thermals stay reasonable even under load. Works with a solid range of laptop sizes and the adjustment mechanism is easy to use. If your laptop spends most of its time docked this is the cleanest way to get it out of the way.

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Reviewed in the United States on March 25, 2026