Features: Comprehensive 10piece guitar key set for complete guitar neck/bridge adjustments. Metal construction ensures durability for repeated use, with magnetic storage case keeping tools organized and protected against loss during transportation. Ideal for luthiers, tourings musicians, and enthusiasts requiring reliable tools for precise action height adjustments, trusses rod maintenance, and bridge saddles modifications on electric/acoustic guitars. Essential workshop companion for studio setups, backstage guitar repairs, and home maintenance where quick access to multiple wrench sizes ensures optimal instrument playability. Ball end keys allow angled access to hard reach trusses rod nut, while knurled grip surfaces enhances torques control during delicate bridge saddles screw modifications. Specifications: Material: Metal Size: See Product Size Diagram Package Includes: 10PCS Guitar Wrenches note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.