2PCS CNC Stainless Steel 3.17/4/5/6mm RC Flex Collet Coupler Flexible Coupling Motor Shaft Locker for DIY RC Boat Submarine Motor Shaft Flex Cable (6mm to 4mm)

Features: This couplers are made of stainless steel, they are used for RC boat to connect the motor with the drive shaft. Come with fixing screws. Easy to install and easy to replace, direct replacement for the broken one. This drive shaft connection connector is suitable for RC electric boat model. Professional manufacturing, stable performance and high reliability. Multiple specifications for your choice, practical accessory and reliable to use. 3.17mm motor shaft to 4mm flexshaft. 4mm motor shaft to 4mm flexshaft. 5mm motor shaft to 4mm flexshaft. 6mm motor shaft to 4mm flexshaft.  Specification: Material: Stainless Steel Size: 3.17mm/4mm/5mm/6mm RC Parts & Accs: Flex Collet Coupler Upgrade Parts/Accessories: Adapter Remote Control Peripherals/Devices: Flexible Coupling  Package List: 2 x RC Drive Shaft Connector, 2 x Right Angle Hex Wrench

• Application - The flex shaft collet is compatible with DIY RC model, such as RC boat toy, RC submarine and so on; it is an ideal DIY accessory for remote control model airplanes and electric airplanes; Use for vehicles and remote control
• Premium Material - This type of ship shaft cable head is made of stainless steel, exquisite workmanship, sturdy and durable, it is a high-quality replacement part for remote control ship motor coupler
• Package List: 2 x RC Drive Shaft Connector, 2 x Right Angle Hex Wrench. Connect to Motor Shaft:3.17mm / 4mm / 5mm /6mm(Optional),A variety of sizes available to be chosen
• Convenient to Install - Boat lock connector is easy to install and convenient to replace, direct replacement for the damaged one
• Provide Fun to You - This driveshaft connector is suitable for RC electric boat models and can provide a lasting gaming experience