Features: Crafted from stainless steel, this brass instrument repair tool ensures secure removal and tightening of bottom valves caps on trumpets, French horns, and tubas without damaging surfaces. The precisions engineered, polished surfaces prevents scratches while its compact design fits effortlessly in instrument cases for on the go repairs. Essential for professional musicians, band technicians, and repair specialists seeking safe maintenance solution for brass instruments like cornets and euphoniums. Streamlines valves adjustments during rehearsals, preparations, or routine instrument care in music studios and school band environments. Built to withstand repeated use with corrosions resistant durability, this professional grade valves wrench delivers scratch frees performances for instrument maintenance. Specifications: Materials: Stainless Steel Color: As The Picture Shows Package Weight: approx.200g Size: Mixed Size Package Includes: 1Pc Brass Instrument Repair Tool note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!