Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si Great for electric guitar/ luthiers repair tool. High quality material, electroplated surface finished, and shiny, long service life. Help you to press in frets on any string instrument. Just place the right insert in the caul. The groove on side to prevent the fingerboard wire from sliding off, and marks on the inserts, easy to identify and . Pressing frets into a guitar fretboard has the advantage over hammering the entire fret is pressed in one operation, eliminating the possibility an end will not be seated right, or the hammering could the fretwire to deform. Radius of Inserts: 7.25 radians, 9.5 radians, 10 radians, 12 radians, 14 radians, 15 radians, 16 radians, 17 radians, 20 radians size: 110 x 64 x 14mm / 4.33 x 2.56 x 0.55in Radius Insert Size: 6.3x1.1cm/2.48inch x 0.43inch(LxW) Colour: black + gold Material: Package Contents: 1 * -leveling fret press caul 1 * Hex wrench 9 * Radian Fret Press Caul Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.