AUVECO, Metric Bolt & Nut Plastic Gauge

Determine the diameter of bolts by pushing them thru the holes. Measure the hex head of bolts & screws or the “across the flat” dimension of hex nuts in the recesses around the holes (listed as wrench size). Right-hand side of tool measures thread pitch (1.00, 1.50, 1.75 & 2.00)

Units Per Pkg: 1