Un-Lock Nut by Graph Tech Slotted 6 Strings - 12 inch Radius FR Special-Style

The Graph Tech 6519 Un-Lock Nut is a premium upgrade or replacement solution for electric guitars equipped with Floyd Rose-style locking systems. Designed to replace FR Special-Style locking nuts, it offers improved stability, precision, and ease of installation without requiring permanent modifications to the instrument.

Made from Black TUSQ XL material, this pre-slotted nut is engineered to optimise string movement and tuning performance, with advanced slot design that accommodates the unique tension and behaviour of Floyd Rose-style bridges. It features precise radius matching for improved playability and allows customizable string height adjustments for enhanced setup flexibility. With extended string ramps and self-lubricating properties, it reduces friction and improves tuning consistency under heavy tremolo use. Available from Sky Music Australia, it is a professional-grade upgrade for performance-focused players and builders.

Features

• Replacement nut for Floyd Rose-style locking systems
• Designed to replace FR Special-Style locking nuts
• Made from Black TUSQ XL self-lubricating material
• Pre-slotted for quick and easy installation
• Advanced slot design for improved string stability
• Precise radius matching for better playability
• Customisable string height adjustment capability
• Enhanced string stress distribution for tuning stability
• No guitar modification required for installation
• Improves tuning performance under tremolo use

Specs

• Model: 6519 Un-Lock Nut
• Product Type: Electric Guitar Locking Nut
• Material: Black TUSQ XL
• Application: Floyd Rose-style electric guitars
• Fit: FR Special-Style replacement
• Installation: Pre-slotted, no modification required