Description Great accessories for RC model motor, such as airplane boat model. Widely used in metal, mold, mechanical drive applications. Between the transmission member can do both screw can do model remote control boat propeller shaft and the motor power. Connecting two axis with different diameters, can also be connected with a motor axis, or connecting shafts of different diameters. Widely used in hardware,molds, and the occasion of the mechanical transmission. Specification: Material: brass. Color: gold. Size: 2mm, 2.3mm, 3mm, 3.17mm, 4mm, 5mm, 6mm. Note: There might be a bit color distortions due to different computer resolutions. There might be size errors due to different computer resolutions. Package include: Type 1: 2 * golden brass shaft coupling. 1 * srew and wrench. Type 2: 1 * golden brass shaft coupling. 1 * srew and wrench. Package Including .
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