Taps (Bottom Section): Screw-like cutting tools used to create internal threads inside pre-drilled holes (e.g., making threaded holes for bolts).
Dies (Top Section): Circular cutting dies used to cut external threads onto rods, shafts, or existing bolts with damaged threads.
Handles & Wrenches (Middle Top): T-handles, tap wrenches, and die stocks that hold the cutting tools securely and provide leverage to rotate them manually.