【High-Quality Steel Construction】 This hex key set is made of durable steel material, ensuring long-lasting use. 【Various Sizes】 Sizes ranging from 1.5mm to 10mm are available, making it suitable for a variety of applications. - Brand: SWISS TOOLS - Product Type: Hex Key Set - Material: Chrome Vanadium - Sizes: 1.5mm - 10mm - Made in: Switzerland - Package Contents: 9-piece set Thank you for viewing.