The SAYCO Acrylic Shower Knob is designed to fit a 3/8" square plumbing fixture stem, making it a versatile and durable addition to any home. Made from high-quality acrylic material, this shower knob is both stylish and functional, providing a sleek finish to any shower or bathroom decor. The included screw and finish plate ensure easy installation and a secure attachment, giving you peace of mind in your plumbing fixtures. With the trusted SAYCO brand behind it, this shower knob is a reliable choice for your home improvement needs. Item weight is 4.9 ounces. Free shipping to the lower 48.