Our shower door handle made of premium 304 stainless steel, this handle features excellent corrosion resistance, waterproof and rustproof performance, and has passed salt spray testing for long-lasting use. With a sturdy 3/4" (19mm) tubular structure, it fits glass panels from 1/4" to 1/2" (6-12mm) thick. So the back to back pull handles versatile for shower doors, bathroom enclosures, office glass doors and sliding doors of all styles.