3pcs 3 Joint Steering Shaft Coupler Steel 4mm To 4mm Rotatable Universal Joint Coupling for RC

Feature: 1. Ideal for RC Model Car Boat: 3 joint universal shaft coupler, which is used to connect two shafts and can be bent at any angle, can be used in various model cars and model boats. 2. Flexible 3 Joint: A 3 joint universal coupling connector is more flexible than a 2 joint one. The transmission angle is increased, more flexible alignment. 3. Durable Steel: Made of 45 # steel with heating and electroplating process, this universal joint coupling is firm and insulating, and make the impact shaft more stable. 4. 4mm to 4mm: The coupling is great for connect your motor of 4mm shaft.The length is 51.5mm 2.0in, Diameter is 12mm 0.5in, side hole Diameter is 3mm 0.1in. 5. Easy To Install and Replace: Ideal replacement accessories for RC model cars and model boats. 3pcs in total, meet your replacement needs. Specification: Item Type: 3 Joint Universal Shaft Coupler Material: Steel Gross Weight: 94g 3.3oz Color: Silver Product Length: 51.5mm 2.0in Product Diameter: 12mm 0.5in Connecting Hole Diameter: 4 to 4mm 0.2in Side Hole Diameter: 3mm 0.1in. Package List: 3 x Universal Shaft Coupler12 x Machine Screw1 x WrenchIdeal for RC Model Car Boat: 3 joint universal shaft coupler, which is used to connect two shafts and can be bent at any angle, can be used in various model cars and model boats. Flexible 3 Joint: A 3 joint universal coupling connector is more flexible than a 2 joint one. The transmission angle is increased, more flexible alignment. Durable Steel: Made of 45 # steel with heating and electroplating process, this universal joint coupling is firm and insulating, and make the impact shaft more stable. 4mm to 4mm: The coupling is great for connect your motor of 4mm shaft.The length is 51.5mm 2.0in, Diameter is 12mm 0.5in, side hole Diameter is 3mm 0.1in. Easy To Install and Replace: Ideal replacement accessories for RC model cars and model boats. 3pcs in total, meet your replacement needs.