7mm x 2.5mm 12 Teeth Plastic RC Toy Motor Spindle Gear Cog Wheel 30Pcs Product Name : Plastic Motor Spindle Gear;Model : 12-2.5A;Type : Single Gear Fit for : for DIY Toys Motor Gearbox;Teeth : 12;Modulus : 0.5 Diameter : 7mm/0.3";Thickness : 5mm/0.1";for Shaft Dia : 2.5mm/0.1" Material : Plastic;Color : White Weight : 5g;Package Content : 30 Pcs x Plastic Motor Spindle Gear