/ Precision Measuring Tools / Precision Hand Tools / Indicators & Gages / Indicator Accessories / 57S * Not actual product image 50296 57S Universal Snug 50296 Other similar products With spindle hole diameters 5/16", 3/8" (8, 9.5mm) and gripping hole diameters 9/64", 5/32", 3/16", 1/4" (3.5, 4, 4.8, 6.3mm). Downloads Contact Starrett 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.