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. » All Products » 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 160° Wide Angle Camera for Raspberry Pi with Adjustable Focus 2pcs Drilled Plastic Panel – Yellow JA12-N20 DC Gearmotor (100 RPM at 6 V) 17T1 Gear for 6 mm Shafts JGA25-310 DC Gearmotor (102 RPM at 6 V)