Model: 4 String Bass 38MM adjustable Description: A replacement adjustable nut for 4string bass guitars, made from solid brass for longlasting performance in a compact design. The adjustable screws let you raise the beginning and end string heights independently, enabling precise action setup to match your playing preference. Key benefits: Precise action adjustment: Individual screw adjustment at each string end lets you set the string height you need for comfortable play and improved string clearance. Durable material: Solid brass construction delivers reliable wear resistance and stable performance over time. Compact size: 38 mm length fits standard 4string bass guitars while remaining unobtrusive. Easy to fit: Designed for straightforward replacement on compatible 4string bass guitars without complex modification. Consistent results: Built to provide repeatable, stable string height settings for practice, rehearsal, and performance. Specifications: Model: 4 String Bass 38MM adjustable Condition: 100% brand and Material: Solid brass Measurement: Length 38 mm Compatibility: 4string bass guitars Use scenarios: Upgrading a stock nut to gain adjustable string height for a cleaner playing feel during setup or instrument maintenance. Finetuning action for different string gauges or playing styles, from low slapping to higherfret fingerstyle. Quick setup adjustments during studio sessions or live shows to match instrument feel to the room or arrangement. What it solves: Eliminates the need to file or a fixed nut when small string height changes are required. Provides a stable, durable component that simplifies setup and helps maintain consistent string action. This adjustable 38 mm brass nut is a practical replacement part for 4string bass players seeking simple, reliable control over string height and playability.