Quickly and easily size bolts, screws, nuts and twist drills! Bolt Size-It also features ruler marked with inches and millimeters.Gauge metric hex nuts and washers by holding under metric holes.Resists water, alcohol, oil and grease.Hard plastic.
…bolts to use where, the Thread Detective is the perfect tool. Available in standard or metric, it features clearly marked gauges for quick identification ofbolt size, nut diameter and thread pitch. Standard gauges are black with 14 measuring gauges. Metric gauges are red with 11 measuring gauges. Includes…