uxcell 3.17mm to 3mm Copper DIY Motor Shaft Coupling Joint Connector for Electric Car Toy

uxcell 3mm Rigid Flange Coupling Motor Guide Shaft Coupler Motor Connector for DIY Parts

RC Airplane 3mm to 5mm Brass Motor Coupling Shaft Coupler Connector

uxcell 37mm DC Geared Motor Mounting Bracket Holder + 6mm Hex Coupling

Drillpro 10Pcs 0.8 - 3 mm Titanium Coat Carbide End Mill Engraving Bits CNC Rotary Burrs Set Tool PCB Mould Plastic Fiber Carbon Fiber Hardwood, 1/8'' Shank

HATCHBOX PLA 3D Printer Filament, Dimensional Accuracy +/- 0.03 mm, 1 kg Spool, 1.75 mm, Black