• Distance Between Rolls (Inch): 5"
• Parallelism (Decimal Inch): 0.0002
• Overall Length (Inch): 6-3/8"
• Effectively cancels the angle being measured to check its accuracy
• Ground flat, square and parallel within 0.0002"
• Steel hardened to HRC 52
• Parallel: 0.00012"
• Material SK2
• Centre distance of rolls: 5