1. ISO9001: 2000 registered. 2. Grade: Can up to GB8, ISO8, JIS4, AGMA8, DIN8. 3. ... Pulleys1. Material: Stainless Steel, Brass, Aluminum, POM, and other standard machineable material. 2. Grade: Can up to GB8, ISO8, JIS4, AGMA8, DIN8 ... registered. Soft tips: We don't have any ready-made/standard gears. We make the gears strictly as per your drawing ...