There are 2 mounting dovetails. There is 1 dovetail holder as well as a tool post mounting and swivel attachment. I have a number of other machining tools that we are listing, so check out our other listings. The item "Starrett # 811 Dial Test Indicator Set. 001 Increments, Used" is in sale since Sunday, August 27, 2017.This item is in the category "Business & Industrial\Manufacturing & Metalworking\Metalworking Tooling\Inspection & Measurement\Indicators". The seller is "clearblupool" and is located in Hayward, California. This item can be shipped to United States.