This listing contains 50 pieces of trumpet water key screws, standard replacement hardware for most common Bb trumpets. Made of sturdy metal, these screws are durable and fit perfectly for trumpet spit valve assembly installation and maintenance. Great for instrument repair shops, daily upkeep and DIY trumpet restoration.

Specifications:

• Material: Metal
• Quantity: 50 Pieces
• Size: Length 12mm, Diameter 2mm
• Compatible: Most standard Bb trumpets

Package Includes: 50 x Trumpet Water Key Screws