Tested with tachometer for RPM speed. I have determined this is 4000 RPM as it doesn't say anywhere on here what the RPM is. This is a Dotco pneumatic motor with a jiffy 90° drill attachment attached. I have 7 available not all are exactly the same as the one pictured.
I will include one photo of all of them together. Please never hesitate to ask questions. If you ever have any issues with us we promise to make it right!