General Tools 142 6-Inch English and Metric Plastic Dial Caliper

For any project or hobby that requires a high degree of precision, this affordable 6-inch dual metric and SAE dial caliper from General Tools is ready to tackle the job: manufactured from tough fibreglass-reinforced plastic (FRP) and graduated in both inches and millimetres, the smooth-action friction roller makes taking repeated readings – including inside, outside, depth and step measurements – effortless and accurate.