Measuring tool for radius gauge 0.3-7mm High-precision R-gauge R7.5-15mm/R15.5-25mm/R25-50mm Arc radius measuring tool Arc ruler

Measuring tool for radius gauge 0.3-7mm High-precision R-gauge R7.5-15mm/R15.5-25mm/R25-50mm Arc radius measuring tool Arc ruler

Aliexpress UK