Aluminum Nut and Bolt Finder Tool, American Standard and Metric,4mm-14mm, #6-1/2 Inch.

Aluminum Nut and Bolt Finder Tool is a precision gauge used to instantly identify the size, thread pitch, and diameter of unknown fasteners. Ideal for mechanics, woodworkers, and DIY enthusiasts, this dual-standard tool eliminates guesswork and saves time when sorting hardware.
Key Specifications
Size Range: Accommodates 14 metric sizes (4mm to 14mm) and 14 imperial/SAE sizes (#6 to 1/2 inch).
Dual Functionality: Features both male gauges (for checking nuts and tapped holes) and female gauges (for checking bolts and screws).
Material: Constructed from CNC-machined 6061 aluminum alloy with an anodized finish for lasting durability and corrosion resistance.
Integrated Rulers: Includes built-in laser-etched scales (inches and centimeters) along the edges for measuring stud and bolt lengths.
Uses: Meets exacting tolerance standards to guarantee accurate thread matching.
Versatility: Handles both coarse and fine threads across American and metric systems seamlessly.
Convenience: Features pre-drilled holes for mounting on shop walls, pegboards, or benches for quick access