TOOGOO(R) 30 Pcs 2mm Hole Orange Plastic Belt Pulley for DIY RC Toy Car Airplane Product Name : Belt Pulley;for : DIY Toy Model;Pulley Size : 17 x 5mm/0.67" x 0.2"(D*T) Fit Belt Width : 1.7mm/0.07";for Shaft Dia : 2mm/0.08" Total Height : 5mm/0.2";Materials : Plastic Color : Orange;Net Weight : 19g Total Weight : 19g;Package Content : 30Pcs x Belt Pulley