2mm to 2mm Coupling Hub Please allow 4-6 days processing before ship out. For gearmotors or similar motors, we don’t ship using epacket and will use regular shipping if needed. Please note that regular shipping like singapore post might take 45-60 days to deliver, epacket 20 -35 days to deliver Thank you for understanding. » Gearmotors » 2mm to 2mm Coupling Hub This copper coupler can be used for connection of 2mm to 2mm shafts of RC toys, boats and helicopters. SKU: OTH27407972788 Price: 0.99 $ Product in stock SSL Certificate Quantity Updating cart... This copper coupler can be used for connection of 2mm to 2mm shafts of RC toys, boats and helicopters. Specifications Length: 20 mm Inner Diameter: 2 mm Material: Brass Related Products 10pcs KCD1-11-2P Switch 74LVC16T245 16-Channel Level Translator Module 20pcs SOT23, MSOP10 and umax to DIP PCB Adapter JGA25-370 DC Gearmotor (863 RPM at 24 V) Wemos D1 R2 Uno ESP8266 WiFi Development Board