Durable and practical: this pulley gear is constructed with plastic materials and craftsmanship, ensuring it will last long time,plastic model accessories,belt pulley
craftsmanship: with the great workmanship, it can be used to repair and fix your handicraft or . they can be the great DIY accessories,diy model wheel,Plastic Belt Pulley
Compact size: small parts, easy to use, great model making accessories for all kinds of cars, , etc,pulley for rc ,Motor Pulley
Durable material: made of plastic material, these parts are wearable and have ,multipurpose pulley,Pulley for RC Airplane
Teaching tool:these plastic gears are great for teaching about mechanics and engineering,craft pulley,Pulley for RC Car