Heat treated construction enhances hardness while maintaining flexibility, featuring 9 size option and a widened anti slip grip for largest torques efficiency Crafted from premium 201 stainless steel, this 9 in 1 bathroom wrench excellent durability and resistance for practical plumbing tasks Ideal for craft enthusiasts, professional plumbers, and homeowners seek effective multiple size solution for household repairs and maintenance Engineered with ergonomic proportions and waterproof materials, this comprehensive wrench set ensures long time in humid or wet working conditions Perfect for bathroom fixture installations, pipes adjustments, and automotive repairs where space constrained environment demand, versatile tool