uxcell Straight Brass Barb Fitting Reducer, Fit Hose ID 6mm to 4mm 3pcs: Amazon.com: Industrial & Scientific
Amazon.com: 4AN AN4 Male To 4mm Straight Hose Barb Fuel Fitting Adapter Silver : Automotive
Kreuz-Steckverbindung, Schlauch 4mm, STVS-QXCK-4-KU-S-M120 : Amazon.de: Business, Industry & Science
Amazon.com: Foitech 2 Pcs Speakon 4 Pole Male Plug Compatible Audio Cable Connector Blue Color : Electronics
Amazon.com: TRONXY 6 Pcs PTFE Teflon Kit for 1.75 mm Filament, 3D Printer Extruder Accessories with 2 m PTFE Tubing 4 mm, PTFE Tube Cutter, PC4-M6 PC4-M10 Pneumatic Fittings, PTFE Tube Clamps :
Agora-Tec® Schlauchanschluss Set für 1 Zoll (25,4mm) Schlauch mit 2 Messing Schlauchtüllen 1 Zoll IG (30,3mm), 2 Edelstahlschlauchschellen und 2 Meter Gewindedichtfaden : Amazon.de: Baumarkt
Amazon.com: HONG YI-HAT Hydraulic Quick Coupling M3 3mm Oil Pipe Connector 1/14 DIY RC Excavator Tmy Dumper Truck Hydraulic System Accessories Spare Parts (Color : M3-3mm) : Industrial & Scientific
SMT 622002RS Single Row Deep Groove Ball Bearing: Deep Groove Ball Bearings: Amazon.com: Industrial & Scientific
uxcell 2mm x 4mm Creamy-White Silicone Tube DIY Hose Pipe 10 Meter Long: Amazon.com: Industrial & Scientific
SNS Pneumatic 6mm x 4mm 10 Meters Blue Color PU Pneumatic Air Tubing Pipe Hose for Air line or Fluid Transfer - - Amazon.com
X AUTOHAUX 5Stk.4mm Schlauch ID X 1/4'' NPT Stecker Messingschlauch Widerhaken Anschluss : Amazon.de: Baumarkt