Handle made of cellulose acetate: high impact resistant, free of cadmium, temperature and age-proof. 1/4" blades made from high-quality bit-steel, exceeding industry standards by up to 100% with black tip for precision and fit. Multi-tool with interchangeable blades replaces 32 single tools. Handle with anti-roll shape is T-handle and Screwdriver handle in one. Lifetime warranty - we will replace it free of charge.