Hex Allen Keys Set: Tighten and loosen all popular sizes of household, garage and DIY internal hexagon Allen drive screws and bolts Hex Key Tools for Home and Garage DIY: Assemble furniture, install fixtures and fittings, secure locks and handles, make fine adjustments and tweaks, finish odd jobs and repairs Most-Used Hex Key Sizes: 15 x Metric: 0.7, 0.9, 1.3, 1.5, 2, 2.5, 3, 4, 4.5, 5, 5.5, 6, 7, 8, 10 mm Allen keys; 15 x SAE: 0.028, 0.035, 0.05, 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16, 3/8 inch Allen keys Cr-V Steel Hex Shank Key Set: High torque metal alloy keys with rust resistant black oxide coating and chamfered or rounded corner-edges for easy fitting and reduced wear in screw heads Hex Keys in a Folding Holder: Their short and long arms construction fits small gaps or gives extra reach. All stored in a compact case, clearly marked with sizes, that folds out for easy access Hi-Spec 30pc Imperial & Metric Hex Allen Key Wrench Folding Set with Small & Large Sizes: Includes mini 0.035” up to a long 10mm, covering essential DIY and household hex screw needs. Popular Sizes for Household & DIY: Undo and tighten commonly used internal hex screws and bolts for home, garage, and general DIY projects. 15 Metric Allen Keys: Sizes include 0.7mm, 0.9mm, 1.3mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, and 10mm. 15 Imperial Allen Keys: Sizes include 0.028", 0.035", 0.05", 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", and 3/8". High-Torque Cr-V Steel Alloy: Rust-resistant black oxide coating with chamfered edges for durability and ease of use. Folding Holder & Compact Case: Short and long arm folding holder with clearly marked sizes for easy access and storage.