Package Content: You will receive 30 pieces of shower head cleaner tools, including 10 stainless steel unclogging needles and 20 shower head cleaning brushes. Stainless Steel Picks: The stainless steel needles are strung in a ring, available in 5 sizes: 0.4mm/ 0.015 inch, 0.6mm/0.023 inch, 0.8mm/0.031 inch, 1.0mm/0.039 inch, 1.2mm/0.047 inch, 2 pieces of each size, sturdy and reusable. Cleaning Brush: The bristles of our shower head cleaning brushes are soft and fine enough to penetrate all narrow nozzles for deep cleaning, easily unclogging blockage and ensuring efficient cleaning. It adopts a hexagonal anti-skid handle design for easy operation. Easy to Use: Choose a stainless steel cleaning pick that matches the hole, use it to clean out the accumulated blockage, then insert a tiny brush deep into the gap of the hole, rotate it a few times and remove it for cleaning. Wide Usage: These cleaning brushes are great for cleaning shower heads, but also perfect for cleaning 3D printer nozzles, coffee machines, keyholes, faucets, charging ports, sinks, window troughs, straws, etc.