Combo Gauges and Gauges, Gauges Includes 3 Relief Measurements (.006”, .008”, .010”) for Electric, Acoustic, Classical and Bass Guitar, Made of Stainless Steel, High Precision, Without the annoying and messy oil found in traditional gauge sets, laser-engraved sizes (inches and millimeters) and non-dislodge instrument type, easy-to-follow instructions printed on the handle, and an innovative tab to help, this gauge is part of our method KKEP IT SIMPLE SETUP (KISS) Using our precision gauges and tool sets, the String Height Gauge features precise, easy-to-read measurements in a contrasting black finish with deeply etched white markings, we include inch, metric and 64" measurements To customize to your preferences, handy chart for proper height by instrument type and measuring instructions eliminates guesswork, pickup ruler helps you dial in even more your sound, high quality stainless steel design with smooth edges combined with numbers and lines that won't rub off ensures years of use, find the side that meets through 3 frets and use it as a fret rocker to check if it has uneven fret heights. Product dimensions: 12.7 x 10.5 x 1.5 cm. Weight: 0.04kg