M METERXITY 4-Pack Inserts for Round Tubes with M8 Thread, 2" (50mm) OD Plast

[Durable Round Plastic Caster Inserts] - The Tubing end cap is composed of premium polypropylene plastic, which is highly resistant to corrosion and wear. The plastic plug has an M8 thread and can be installed with a suitable height-enhancing pad or caster.

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