BAZHOU Small Size: This guitar string action gauge measuring ruler is light in size, easy to carry, convenient to carry and provide accurate measurement Double-sided Measurement: This guitar string action gauge measuring ruler can be used to measure string height, accurate scale of bridge saddle height, saddle groove depth, character groove depth and nut height Multiple Functions: This guitar string action gauge measuring ruler is a double-sided gauge ruler with a conversion table for fractions, decimals, and measurement units at the back. It is powerful and versatile, and easy to use Stable Performance: The purpose of using this guitar string action gauge measuring ruler is to make the measurement faster and more accurate. Different scales represent different measurement units and are easy to distinguish High Quality: The guitar string action gauge measuring ruler is made of high-quality plastic material, strong and wear-resistant, durable, it is a great guitar measuring tool Delivery Quantity: 5pcs Package Contents: Only the above package contents, excluding other products. Size: Details as shown (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: silver (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)