/ Precision Measuring Tools / Precision Hand Tools / Indicators & Gages / Holders / 657Y * Not actual product image 52765 657Y Indicator Attachment 52765 Other similar products 1/4" (6.3mm) O.D. one end, other end threaded and fits lug backs of all AGD indicators (Starrett Series 81, 25, 655, 656) and Series 80 Miniature Indicators. Indicator Attachment. Features Downloads Contact Starrett Features Indicator Attachment Only 657Y Indicator Attachment. 1/4" (6.3mm) O.D. one end, other end threaded and fits lug backs of all AGD indicators (Starrett 80, 81, 25, 655, 656) Downloads Catalog 33 - Section 5 - Dial and Electronic Indicators and Gages We offer a variety of each of the major classes: mechanical dial, electronic display, lever style test and back plunger. Indicator requirements are very specific and Starrett offers everything you need: a broad line of each indicator type, an extensive range of accessories to configure and position the gage, and as needed, an indicator-based, custom engineered solution. Precision Hand Tools (Catalog 33) 612 page catalog featuring precision hand tool, force measurement, vison systems, optical comparators, laser measurement, and flat stock.