Eklind 18-Piece Combination Hex Key Set includes both short arm and long arm hex keys in a variety of sizes to fit your needs. The short arm keys come in sizes ranging from .050" to 7/32", while the long arm keys range from 1/16" to 5/16". Crafted from durable 8650 chrome nickel alloy steel, these keys ensure maximum performance and long-lasting use. The set is organized in a plastic holder that securely retains each key in size-marked holes for easy identification and access. The slide blister packaging is reusable and designed for convenient storage on a pegboard. This comprehensive set versatility and durability for any hex key application. Model Number: 10018