: High quality Stainless steel universal joint coupling. Brushless motor rc boat use. motor : 4mm. Flexible : 4mm. We will try our best to solve the issue.
Universal Joint Coupling M5 / M1/4" to 4mm Stainless Steel RC Model Boat Scale
universal joint coupling 3.18mm to 4mm Stainless steel rc model boat scale 46
RC Model Metal Cardan Joint Gimbal Couplings Double Universal Joint Screw #1419
1pcs FT011 - FT012 Drive Shaft 4x4mm /3x3.18mm Universal joint for RC Boat
FT011 - FT012 Drive Shaft 4x4mm /3x3.18mm Universal joint for RC Boat
Vintage OCTURA Universal Joint for 3/16 Shaft R/C Model Power Boat Fitting NOS
