20 Pcs White Plastic Electrical Motor Car Model Belt Pulley Product Name : Belt Pulley;Pulley Size : 15mm x 3mm/ 0.6" x 0.12" (D*T) Gear Size : 6mm x 4mm/ 0.24" x 0.16" (D*T);Fit Belt Width : 1.4mm/ 0.055" Material : Plastic;Color : White Net Weight : 14g Package Content : 20 x Belt Pulley