This authentic manufacturer-sourced component is specially designed for Rolair air compressors. It provides an identical replacement for a missing or a faulty bolt that was installed on a new unit. This is a standard hardware which may have multiple applications. Please make sure to refer to the owners manual and the appropriate diagrams ...Read moreof your model for the correct location and application of this part. Keep in mind this high-quality bolt is made of durable metal and is sold individually. Note, you will need a Hex key also known as an Allen wrench to secure or remove it.