1-15mm Stainless Steel Taper Gauge Feeler Hole Metric Inch Measuring Tool 28TC 1-15mm Stainless Steel Taper Gauge Feeler Hole Measuring Tool Double Side Wedge Feeler Hole Taper Aperture Scale Features:Suitable for inner diameter marking, aperture measurement and clearance measurement, for diameters small holes, gaps, etc. Exact numbers and increments are etched into the surface, easy to read. Polished, bright and clean without burrs, engraved rust line and do not rub off. The structure is simple and reasonable, easy to measure. Place the indicator on the neutral or opening and read the measured value. Made of stainless steel, miniature and lightweight, easy to carry. Specification:Material: stainless steelMeasuring range: 1-15mm, 1/8" - 5/8"Features: front metric system, reverse imperial systemPurpose: to measure different dimensions of clearance Package included:1x Wedge feeler