Bando 190MXL6.4U 15 inch long 6.4 inch wide 0.045 inch high MXL Polyurethane Timing Belt with 190 teeth Polyurethane timing belts provide a lightweight drive system, when used with aluminum or plastic pulleys and exceptionally quiet operation. They are ideal for applications needing high oil and ozone resistance and their extremely clean operation make them suitable for appliance and office machine use. Metric sizes are often found on imported textile machinery.. Body is made from the highest quality polyurethane for maximum oil and ozone resistance. Non-static conductive. Provide high load carrying capacity and superior tooth shear strength under shock load applications.