This is a 110-piece Tap and Die Set, a comprehensive tool kit used for creating and repairing internal and external screw threads. This specific set is commonly sold under brands like ABN, BGS Technic, or VEVOR. [1, 2, 3, 4, 5]Key Components
Taps (Bottom Section): These long, screw-like bits are used to cut internal threads inside a pre-drilled hole, allowing a bolt or screw to be inserted. [1, 2]
Dies (Top Section): These circular, doughnut-shaped tools are used to cut external threads onto a smooth rod, effectively turning it into a custom bolt. [1, 2]Wrenches & Holders (Middle Section): The kit includes various handles (tap wrenches and die holders) that provide the necessary leverage to turn the bits by hand.