The Sperzel Trim-Lok tuners are considered by many to be the most reliable tuning machines on the market. The locking system eliminates the need for extra wraps to secure the string. These tuners are designed to hold the string firmly in tension, ...

The Sperzel Trim-Lok tuners are considered by many to be the most reliable on the market. The locking system eliminates the need for extra wraps to secure the string. These tuners are designed to hold the string firmly in tension, virtually eliminating ...

The Sperzel Trim-Lok tuners are considered by many to be the most reliable tuners on the market. The locking system eliminates the need for extra wraps to secure the string. These tuners hold the string firmly in tension, virtually eliminating the need ...

The Sperzel Trim-Lok tuners are considered by many to be the most reliable tuning machines on the market. The locking system eliminates the need for extra wraps to secure the string. These tuners are capable of holding the string firmly in tension, ...