Key benefits - Protects flute headjoint screws from wear: the hinge screw cover caps shield screws from regular abrasion during frequent use, extending the life of your instrument’s headjoint. - Durable, reliable closure: the screw cap is made from robust copper for long-term durability and a secure, dependable fit. - Compact and portable: lightweight, space-saving design makes it easy to carry in a repair kit, instrument case, or gig bag. - Precise, comfortable fit: engineered to seat accurately on the flute headjoint for consistent performance and to prevent loosening. What it is and how it helps - Function: a screw cap / screw closure designed specifically for flute headjoints to cover and protect hinge or headjoint screws. It keeps screws secure, reduces wear, and helps maintain tuning stability and mechanical integrity. - Compatibility: intended for use as a flute headjoint screw cap; also useful as a trumpet repair tool or part in broader instrument maintenance tasks. - Material & performance: crafted from robust copper to withstand regular use and provide long-lasting protection and a reliable seal. Practical features - Durable copper construction resists deformation and provides a dependable screw closure. - Compact form factor makes storage and transport convenient for performers and technicians. - Precise seating reduces the chance of screw movement and minimizes incidental damage to keywork. Use scenarios - Onstage quick fix: keep a cap in your gig bag to secure a loose headjoint screw between sets or during travel. - Routine maintenance at home: use the cap to protect screws during cleaning and minor adjustments, extending the life of the headjoint. - Technician repair kit: a reliable component for instrument technicians who service flutes and occasionally perform trumpet repairs. Specifications summary - Intended application: screw cap for flute headjoint (hinge screw cover) - Material: robust copper - Functions: protection from wear, reliable screw closure, precise fit, portable for transport - Additional use: suitable as a trumpet repair tool / instrument parts for maintenance What you get - A durable, compact screw cap designed to protect flute headjoint screws, provide a secure closure, and be readily portable for performers and repair technicians.