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2020 T-Slot Aluminum Extrusion Profile 800mm For CNC 3D Printer 20mm x 20mm | eBay
Slotted Aluminum Extrusion - 20mm x 20mm - 610mm long : ID 1221 : $7.50 : Adafruit Industries, Unique & fun DIY electronics and kits
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Coavoo 2040 Aluminum Extrusion 62.99 inch / 1600mm Length V Slot Black 2 Pack, Extruded Aluminum 20mm x 40mm 20 Series V Type Profiles Anodized European Standard Linear Rail Frame 2Pcs - Yahoo Shopping
TSLOTS TS20-20M Yellow 20mm x 20mm 5mm Aluminum Extrusion