Included in this kit:

• Tone-Lock™ Bridge
• Pair of 4mm lock nuts
• TP-59 Lightweight Aluminum stop tailpiece
• Tone-Lock™ studs/spacers 8mm for Schaller metric tailpiece bushings
• iNsert conversion bridge studs for Heritage Guitars with Schaller bridges
• Lock Nut/Tailpiece Stud Tool
  
  For tightening tailpiece studs without damaging the plating, as is possible using a conventional screwdriver. Use as shown for tailpiece studs. For Tone-Lock™ bridge lock nuts, use the unnotched end when the top of the bridge stud is below the lock nut slot; use the notched end when the bridge protrudes into the lock nut slot. Included FREE with Tone-Lock™ Bridges, Tone-Lock™ Kits, & Tone-Lock™ Master Kits.
  – also great for tailpiece studs!
• View installation video, Applicable to Insert™, E-Sert™, IBG-Sert™ and USA/ABR-1 “Plus” post Installations

SPECIFICATIONS:
Hover over these links for specifications of items included in this Tone-Lock™ Master Kit:

• Tone-Lock™ Bridge
  
  Alloy: 70% zinc, 30% aluminum
  Net Weight, including lock nuts:

  • with brass saddles – 1.755 oz./49.75g
  • with titanium saddles – 1.665 oz./47.2g

  Length: 3.31″/84.1mm
  Saddle radius: 12″
  Post spacing: 2.91″/74.0mm (0.8mm lock nut clearance to accommodate 73.6mm-74.4mm post spacing)
  Post hole diameter (stepped): upper, .293″/7.45mm; lower, .2165″/5.5mm
  String Spread (center-to-center, outer saddles): 2-1/16″/2.0625″/52.39mm

• TP-’59 Tailpiece
  

  Material: Aluminum, plated
  Weight: 1.0 oz./28.45g
  Overall length: 3.987″/101.27mm
  Stud spacing: 3.25″/82.55mm
  Stud opening: .32″/8.1mm

• Tone-Lock™ METRIC
  Material: Steel, plated
  Weight (pair without spacers): .88 oz./25g
  Overall Length of stud: 1.378″/35mm
  Thread length: .906″/23mm
  Thread pitch: 8M x 1.25
  Head diameter: .51″/13mm
  Head thickness: .157″/4.0mm
  Spacers, two each:

  • diameter: .51″/13mm
  • thickness: .099″/2.5mm; .157″/4.0mm; .217″/5.5mm

  

• “Plus” iNsert™
  
  Material: Studs, Bell Brass, plated; Thumbwheels, Brass, plated
  Weight, with thumbwheels: .75 oz./21.3g
  Overall length: 1.25” / 31.75mm
  Length below flange: .55” / 14.0mm
  Stud length, above flange: .59” / 15.0mm
  Diameter, lower section: .276” / 7.0mm
  Flange diameter: .375” / 9.5mm
  Flange thickness: .061” / 1.55mm
  Thumbwheels:

  • Diameter: .63″/16mm
  • Thickness: .11″/2.8mm

  – “Plus” iNsert™ Bridge Posts

 

Optional Bridge and Tailpiece Bushings

Why do you need this option? Click here to learn why!