VooGenzek 5 PCS Brass Shaft Coupler, Shaft Coupling Shaft Adapter, with Grub Screws and Allen Wrench, for RC Airplane Boat Motor, 2mm to 2mm/3mm to 4mm/3mm to 5mm/4mm to 5mm/5mm to 5mm L20XD9

• High Material: Made of high quality brass.
• 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)
• Applicable method: Fit for connecting two axis with different diameters, can also be connected with a motor axis, or connecting shafts of different diameters.
• Widely Applicable: Suitable for ship models, car models, airplane models, etc.
• Package Includes: 5pcs Shaft Couplings + 2pcs Allen Wrench + 20pcs Screws

Specification: Colour: gold. Material: Brass Thread Size: M3 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 9mm/0.78 x 0.35"(L*D) Package includes: 5× Brass Shaft Coupling Connectors for Motor 20 × Grub Screws 2 × Allen key