4pcs Brass Extended Shaft Hex Coupling Coupler Motor Connector (6mm)

1、100% brand new and high quality.2、These couplers can connect motor shaft and hex wheel.3、Made of premium brass material, it is durable and has long service life.4、There are 4 pieces of couplers in one set that you can use for your DIY project.5、Widely used for connecting toy cars, robots, etc.Features:100% brand new and high quality.These couplers can connect motor shaft and hex wheel.Made of premium brass material, it is durable and has long service life.There are 4 pieces of couplers in one set that you can use for your DIY project.Widely used for connecting toy cars, robots, etc.Specification:Material: BrassInner Hole Diameter: 2mm, 3.17mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm (Optional)Screw Hole Size: M4Quantity: 4pcsWeight: 47g~60g / 1.7oz~2.1oz (approx.)Package list:4 * Couplers