Greluma 5Pcs Brass Shaft Coupler Shaft Coupling Shaft Adapter for RC Airplane Boat Motor 0.79x0.35inchs(LxD) with Screws,Allen Wrench,2mm to 2mm/3mm to 4mm/3mm to 5mm/4mm to 5mm/5mm to 5mm

• 【Size】:2 mm to 2 mm / 3 mm to 4 mm / 3 mm to 5 mm / 4 mm to 5 mm/5mm to 5 mm (shaft coupling 5 sizes)
• 【Material】:Made of high quality brass
• 【Wide Usege】:Shaft coupling is produced based on International Flange Standard, widely used in model shaft connection
• 【Dimensions】:Inner Diameter: 2 mm to 2 mm / 3 mm to 4 mm / 3 mm to 5 mm / 4 mm to 5 mm/5mm to 5 mm. Outer Diameter: 0.35". Height: 0.79"
• 【Package Content】: 5 x Shaft Couplings + 1 x Allen Wrench + 20 x Screws

Specifications: Colour: gold. Material: Brass. Thread: M3. Net weight: 6.8 g Connection diameter: 2 mm to 2 mm / 3 mm to 4 mm / 3 mm to 5 mm / 4 mm to 5 mm / 5 mm to 5 mm Total size: 20 x 9 mm (L x D). Package list: Brass Shaft Coupler Parts 1 x M3 Hex Wrench 20 x Screws Product name: Shaft Coupling,Motor Shaft Coupling,Brass Shaft Coupling,2mm Shaft Coupling,5mm Shaft Coupling