* Parts for RC Airplane Boat, DIY Model. Specification: Product Name: Flange Coupling Material: Metal Max. Diameter: 22mm/0.86 inch Height: 12mm/0.48 inch Screws Hole Size: M3 Cylindrical Dia: 4mm/0.157 inch Mounting Hole Distance: 11mm/0.4 inch Widely used in metal, , mechanical drive applications. Package Including:1 x Flange Coupling
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