20 Pcs Shaft Coupler for RC Car Boat Motor Connector 6-6mm Hole Dia Kit

Features 3Made of highquality metal excellent performance suitable for longterm use4The hole diameter at both ends is 6x6mm/024inchx024inch use M4 machine screws for the side holes5Size Outer diameter 11mm/043inch Length 23mm/091inch6Metal joints are suitable for use on the straight shaft of motors and are suitable for various metal transfer applications such as model cars model ships and robots7Includes 2mm wrench and M4 machine screws easy to installSpecificationsMaterial MetalColor SilverBrand name BQLZRSizeOuter diameter 11mm/043inchLength 23mm/091inchSide fixing holes M4Weight230 gPackage include20 x RC Shaft Couplings20 x Spanners20 x M4 Screws