Mastery M3.2 Tele Bridge, Top Load and String-ThroughThe Mastery M3. 2 Tele Bridge offers the same precision engineered performance as the original M3, now with added versatility for top loading configurations. It features Masterys patented saddle design, utilizing electropolished brass saddles and swivels for superior intonation stability and enhanced string resonance. Designed to fit guitars with a standard four hole vintage Tele footprint, the M3. 2 includes additional rear holes for top loading,