Shower door adjustment screws are specifically designed for fine-tuning the fit and alignment of shower doors. They allow for precise adjustments to ensure a smooth, watertight seal and prevent any rattling or misalignment. These screws are typically made of durable materials like stainless steel or brass and feature a variety of head types and thread patterns to suit different door styles. By adjusting the screws, users can ensure a perfect fit, extend the life of their shower door, and minimize any maintenance or repair needs.