Brand new and high quality. Made of high quality material for lasting use. Simply Key into place over lock screw, loosen the saddle mounting screw, and enjoy fingertip control of the saddle position for accurate intonation. Electric guitar intonation tool is made of high quality zinc alloy material, durable. Tremolo system intonating tool to set the intonation on bridges. Accurate intonation, provide easy and precise adjustments. This tool is essential to an accurate setup of electric guitar bridges. You could set intonation much more quickly and accurately than doing it manually. Weight:20.4g . Colour:Black Material:Metal Size:5.78x1.2x1.2cm Package Contents: 1 * Tremolo System Intonating Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.