The Easton Pro Hex Fold Up Allen Wrenches are a versatile and reliable tool for any job. With nine sizes to choose from, you'll have the right fit every time. The patented flutes allow for easy selection of one tool at a time, saving you time and effort. The blades expand from both sides, eliminating the need to constantly re-stack them. This means you can work more efficiently and get the job done faster. Made with high-strength steel, these wrenches wear longer and allow for tighter screws. The corrosion-resistant finish provides a secure grip, even in harsh conditions. Easton stands behind their products with a lifetime warranty. Fast shipping ensures you'll have your tools when you need them.Key Benefits and Features: World's strongest steel Patented flutes Blades expand from both sides High strength steel wears longer Corrosion and rust resistant finish Lifetime warranty Sizes Included: .50, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16