Describe:100% new and high qualityMaterial: Stainless SteelColor: see pictureSize:A length 5.46cm/2.15in, width 1.6cm/0.6in, height 1.32cm/0.52inB size 5.46cm/2.15in, width 1.6cm/0.6in, peak 1.23cm/0.48inC length 5.46cm/2.15in, width 1.6cm/0.6in, peak 1.32cm/0.52in88 series broad 2.0 plastic-steel home windows are universalPackage Includes:1Pc Flat Groove WheelThe use of buffer design and shock-absorbing supplies can effectively minimize the noise and vibration in the course of the operation of the pulley.Manufactured with high-quality materials, it is wear-resistant, corrosion-resistant and durable. The design and craftsmanship of the pulleys have also been closely considered, which may stand long-term use without failure, guaranteeing the stability and reliability of the door leaf.The look design is stylish and simple, and it can be matched with door leaves of different kinds and materials.After sophisticated design and testing, security and reliability are ensured. It can withstand greater weight and pressure, ensuring the soundness and security of the door leaf. Users need not worry in regards to the quality of the pulley and can use it with confidence.Note:1. Please enable 5-10mm variations due to manual measurement, thanks.2. The actual color of the product may be barely varied from the picture, and the website is caused by various factors akin to the brightness of the monitor and the brightness of the light.