The stainless steel curtain connector can hold the curtain stable, prevent the curtain from falling. All hooks roll freely and slide smoothly in the track Made of high quality PE material, durable, scratch resistant and long service life. The resistance of stainless steel runners is 3X stronger than plastic runners. With the hooks, our gliders can easily hold heavy curtains. Heavy-duty curtain runners and hooks made from commercial-grade stainless steel and plastic that resist corrosion, wear, and weather. Heavy duty curtain runners and hooks feature commercial grade stainless steel and plastic construction that resists corrosion, wear and weather. Track. Features - Color: as shown. - Material: -, plastic. - Size: about 23.4x18.1mm Heavy-duty curtain runners and hooks made of commercial grade stainless steel and plastic to resist corrosion, wear and weather. SMOOTH GLIDE - The curtain track rollers glide smoothly without interruption in the track. Package including 10 x Curtain Guide Rollers