Features: Premium alloy own leveling fret press caul with electroplated finish ensures precise fret installation on electric guitars/basses, featuring interchangeable 7.25/9.5/12" radius brass inserts for various instrument compatibilitys. Durable metal construction with marked, grooves sided fret inserts prevents string slippage while the included wrench enables quick radius changes during luthier grade repairs. Ideal for professional guitar technicians, instrument builders, and musicians requiring studio grade maintenance tools for electric/bass guitar fretboard restoration. Perfect for workshop setups needing multi radius fret alignment in guitar restoration projects or custom instrument fabrication requiring millimeter level precisions. Three precisions machined brass inserts with clear radius markings accommodate various neck profiles, while the weighted 173g base stabilizes during fret seating operations. Specifications: Material: Alloy Size: As Picture Shows Package Includes: 1x Wire Pressing Tool 3x Radius Block note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.