Facilitates handling. Always the right key in the right place. Blade made of chrome-vanadium steel, fully hardened and matte chrome-plated. Standards based on ASME B18.3. Application: To lift or insert inch screws from holes, especially in hard-to-reach areas. The extra space-saving ErgoStar holder allows for the simplest removal of any pin key through mechanical operation without moving others. MagicRing® made of spring steel (from size 1/8") securely holds all standard screws in any position. The ball head allows for screwing at an angle of up to 25°. Main features: Product type: L-shaped hex key, type of hex key size: Imperial, number of keys included: 13 pieces. Coating: Chromating. Hex key sizes (imperial): 1/4, 1/8, 1/16, 3/32, 3/16, 3/8, 5/16, 5/32, 5/64, 7/32, 7/64, 9/64. Coating material: Chrome. Weight and dimensions: Package weight 491 g.