Set of drills for the carburetor jets.  Set contains:

1x     #53 (.055")

1x     #60 (.040")

1x     #61 (.039")

1x     #62 (.038")

1x     #63 (.037")

3x     #64 (.036")

3x     #65 (.035")

1x     #67 (.032")

2x     #70 (.028")

2x     #74 (.0225")

2x     #75 (.021")

2x     #76 (.020")