Product Details ：1. High-quality Aluminum Alloy Construction: Our Head Guide Gauge Is Made Of Durable Aluminum Alloy, Typically Composed Of Aluminum And Other Alloying Elements Such As Copper, Magnesium, Manganese, Etc. Aluminum Alloy Offers High Strength, Corrosion Resistance, And Lightweight Properties, Making It Suitable For Various 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 A Touch Of Sophistication To Your Setup. 4. Lightweight Design: Weighing Just 102g, Our Product Is Lightweight 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 Ra