The Milwaukee 9-Piece Metric Hex Key Set (4932478621) is designed for precision, durability, and ease of use. This set includes nine L-style hex keys ranging from 1.5mm to 10mm, perfect for a variety of fastening tasks. The ball end design allows for up to 30° access, making it easier to work in tight spaces. Each key is crafted with high-quality steel, ensuring long-lasting performance and wear resistance. The set is housed in a convenient twist-and-lock case, which provides easy access and secure storage. Additionally, the keys are equipped with a lanyard hole, making them compatible with Milwaukee’s lanyard systems for safe use at heights. Features and Specifications: Sizes Included: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm Material: High-strength steel for durability Design: Ball end for up to 30° access Storage: Twist-and-lock case for secure storage and easy access Lanyard Hole: Allows for secure attachment to lanyard systems Additional: Color-coded size identification for quick selection