Sturdy Aluminum Construction: Made from reinforced aluminum alloy with a treated finish for enhanced durability and extended service life, ensuring dependable execution in tough conditions Versatile Usage: Works with adjustable wrenches, gripping tools, clamps, or drive attachments to remove stubborn fasteners, suitable for automotive repairs and household projects Comprehensive 11 Piece Set: Includes a variety of fastener removers covering dimensions from 9mm to 19mm for interior fittings and 16mm to 27mm for exterior fittings, providing versatility for different removal requirements Efficient tooth shape: Engineered with carefully shaped teeth for secure grip, excellent for damaged, stuck, or painted fasteners like manifold bolts and oil filler plugs Portable Protective Case: Comes with a robust aluminum storage box for easy transport and safe keeping, keeping all components organized and accessible when needed, Manufacturer: HZBB