1. High-Quality Aluminum Alloy Construction: Our head guide gauge is made of aluminum alloy, typically composed of aluminum and other alloying elements such as copper, magnesium, manganese, etc. Aluminum alloy offers high strength, resistance, and properties, making it suitable for applications. 2. Superior Strength and Toughness: The aluminum alloy coil core provides excellent strength and toughness, ensuring protection for internal components from external environmental factors. head and guide gauge also offers good electrical conductivity and thermal conductivity. 3. Sleek Silver Color: Our cassette cauge set features an elegant silver color, adding of sophistication to your setup. 4. Design: Weighing just 102g, our product is and easy to handle, making it convenient for both travel and everyday use. 5. Versatile Applications: With its high-quality aluminum alloy construction, our high accuracy guide gauge kit is ideal for a wide range of applications, including electronics, automotive, aerospace, and more. Specification: Type: Accessory Kits Compatible Audio & Video Equipment Style: Player,Professional Audio Weight: 102g Description The standard thickness of the measuring plate is 2.445+-0.02mm, the thickness of the strip is 3.81-0.025mm, and the measuring plate is engraved with a magnetic head. Lower limit line, common on both sides of the gauge plate Colour:Silver Material:Alloy Package Contents: 1x High precision cassette gauge 2x measuring rod 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.