MengQi 1pc 1000mm 2060 Aluminum Profile, 6mm V Type Slot 20 Series European Standard Anodized Extrusion for DIY 3D Printer and CNC Machine: Amazon.com: Industrial & Scientific
E-outstanding 2pcs 20 Teeth 5mm Bore Timing Pulley GT2 Aluminium Alloy Synchronous Wheel for 6mm Width Belt 3D Printer CNC Mechanical Drive Silver: Amazon.com: Industrial & Scientific
Saiper GT2 16 Teeth 5mm Bore Timing Pulley Aluminum Synchronous Wheel for 6mm Belt, Compatible with RepRap 3D Printer Prusa i3 (5pcs): Amazon.com: Industrial & Scientific
SamIdea CNC Machined Aluminum Alloy Potentiometer Control Knob,6 mm Dia Hole,38mmx25mm: Amazon.com: Industrial & Scientific
Amazon.com: PZRT 4-Pack 2020 Series Aluminum Profile Straight Line Connector,Length 3.9 Inch Bracket Fastener with M5 Screw,for T Slot 6mm Aluminum Extrusion Profile Connect Parts : Industrial & Scientific
Amazon.com: MUGE RACING 1/4in 6mm 2PCS Fuel Line Check Valve,Non Return One Way Check Valve with 4Pcs Universal Adjustable Hose Clamps,Aluminium Silver : Everything Else
3Dman GT2 16 Toothless Bore 3mm Aluminum Timing Belt Idler Pulley for 6mm Width Timing Belt 3D Printers (10pcs): Amazon.com: Industrial & Scientific