Features: <br>1. Made of high quality material, wear-resisting, safe, sturdy and durable. <br>2. The rollers will not make any noise when it glides on the track, quiet and stable. <br>3. Easy and convenient to install, but profession installment is recommended. <br>4. Rust proof, perfectly protect your materials from scratches or damage. <br>5. Perfect for sliding glass door, window and bathroom door. <br> <br>Specification: <br>Condition:100% Brand New <br>Material: Plastic <br>Color: As Pictures Shown <br> <br>Optional roller diameter: <br>Approx. 20mm / 0.79'' <br> <br>Approx. 23mm / 0.91'' <br> <br>Approx. 25mm / 0.98'' <br> <br> <br>Package list: <br> <br>8 * Wheel rollers<br>1、1. Made of high quality material, wear-resisting, safe, sturdy and durable. <br>2、2. The rollers will not make any noise when it glides on the track, quiet and stable. <br>3、3. Easy and convenient to install, but profession installment is recommended. <br>4、4. Rust proof, perfectly protect your materials from scratches or damage. <br>5、5. Perfect for sliding glass door, window and bathroom door.