A Spacer is a fastener that is used to create space between two components. They are also used to provide positioning assistance between components. The size and shape of a steel spacer can vary depending on its intended use, but they are typically manufactured to very tight tolerance to ensure accurate spacing between components.

Attributes:
• Ensure precise positioning of components.
• Protects components from damage or wear by preventing them from rubbing against each other.

Applications:
A Spacer is used to provide proper alignment between bearings or other components.