50 Pcs 0.5 Modulus 9-Teeth Plastic Gear Cog for 2mm RC Toy Motor Shaft Product Name : Plastic Gear;Type : Single Gear;Fit for : for DIY Toys Motor Gearbox Shaft Teeth : 9;Modulus : 0.5;Total Dia : 5.5mm/0.22" Thickness : 5mm/0.2";for Shaft Dia : 2mm/0.08" Material : Plastic;Color : White Weight : 6g;Package Content : 50(2%)Pcs x Plastic Gear