Twotrees MGN12H Linear Rail Guide with Carriage Block,200mm Linear Sliding Guideway with 1pcs Linear Bearing Sliding Block for 3D Printer and CNC Machine(H-Type,Black,200mm)): Amazon.com: Industrial & Scientific
Linear Bearing Slide Kit SBR12, 2 Pieces SBR12 Linear Guide Rail 200mm with 4 Piece SBR12UU Sliding Block for Routers, Mills and CNC Lathe DIY: Amazon.com: Industrial & Scientific
GooEquip Linearführung SBR16 1000mm 2 x Linearschienen und 4 x Lagerblöcke, Linearschienenlänge 1000 mm Linearschienen für Maschinen und automatisierte Geräte (SBR16-1000) : Amazon.de: Baumarkt