Large 2-1/4" diameter dial indicator with 1" or 30mm range. Bezel may be rotated for any setting point. Precise direct measurements. This comes packaged in a plastic blow-molded case This is designed for making comparative tests where precision counts. It's extremely accurate throughout its full range. Also features a dial indicator that is both continuous and balanced with revolution counter. The set includes a powerful magnetic base with post and a indicator rod, rod connector and indicator holding clamp. Range: 1" or 30mm, graduations: 0.01mm. Reading: 0-2.0