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Laufrolle Ø100 mm U-Nut mit 2 Lagern, Bodenlaufrolle : Amazon.de: Baumarkt
Sliding Door Roller, 304 U-Nut Stiffener Steel Roller Wheel, Round Tube Sliding Door Directional Wheel,
Amazon.com: Garneck 100pcs U Nut Assortment-U Nuts Spire Speed Fasteners No.4 Auto Car Metal Clips for Motorcycle Automotive Repair Replacement : Automotive
4x U Nut Rad Führungsrolle Gleitlager Sealed Schiene Kugellager Möbel 5x23x7mm | eBay