Made of iron/nylon/stainless steel or carbon steel, offered Glass Sliding Roller Big Coin is used as suitable hardware fitting accessory for sliding windows. Metal like carbon steel/iron is chosen to design its heavy duty bearings. Reinforced rivet of this sliding roller ensures its trouble free fixing and prolonged service life. Smooth operation of this sliding roller ensures noise free functioning of window sliders. Glass Sliding Roller Big Coin is available with polished or chrome plated surface to resist damaging effects of corrosion and wear.