Lifetime warranty: PB Swiss Tools provides unlimited warranty coverage unless the maximum warranty period is shortened due to national regulatory requirements in individual countries 100% Swiss Made: For over 140 years, we have been developing and manufacturing the entire range of high-quality tools in Switzerland. This enables us to permanently guarantee an exceptionally high quality of our products Spring steel special alloy: Particularly high hardness value (58 - 60 HRC) and unique toughness and spring properties characterize this wear-resistant special steel. Developed over decades together with the steel mills High-quality materials used, resistant to solvents, oils, acids and salts. Special alloy based on spring steel, exceptional elasticity coupled with high grade hardening For hexagon socket screws, precise, true-to-size tips, optimal fit in the screw heads. Color-coded turnable head, for fine tightening and adjustment work and quick profile recognition Hex Electronics screwdriver set in a high-quality paperboard box