Use 938-0507b 738-0507B

It is a genuine replacement screw is supplied directly from the original equipment manufacturer and it is specially designed for use with Ryobi and MTD lawn and garden equipment. This is the special shoulder screw utilized to secure the lever. It provides an identical replacement for a missing or a faulty hardware that was installed on a new unit. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this component. Keep in mind this high-quality screw is made of durable metal and is sold individually.