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About this item

• Comprehensive Measurement Capability: Measures diameter, thread pitch & length of nuts, bolts & screws
• Fractional Bolt Compatibility: Measures fractional bolts from size #4 to 1" up to 7" long
• Metric Bolt Compatibility: Measures metric bolts & screws from size 3mm to 22mm
• Durable Construction: Made of very durable 1/4" thick hard plastic
• Compact Dimensions: 1/4" thick x 8-3/4" Long x 3-3/8 Wide
• Versatile Tool: Essential measuring tool for anyone working with fasteners in workshops, garages, or construction sites
• Easy Identification: Quickly identifies thread specifications without trial and error fitting

This is a must have tool for anyone who uses bolts, screws or nuts. It easily measures diameter, thread pitch and length of most nuts, bolts and screws. Handy tool box item or gift for the handyman.