1 Pair Square Shower Knob Handles Temperature Control Handle Knob Chrome Thermostatic Handle Spindle Diameter 3.75cm Features: - This control handle is made of ABS plastic, compatible with SMA thermostatic bath shower mixer valves. - Mirror chrome finish. - White temperature markings. - Includes a stop ring, grub screw, and end cap. - For installation on tub mixers or torpedo bar shower valves: remove the end cap, loosen the grub screw, slide the handle onto the splined spindle, then secure with the grub screw. Specifications: - Material: Plastic - Color: Silver - Spindle Diameter: 3.75 cm - Handwheels on both sides with 20 teeth - Quantity: 1 pair Package Content: - 1 pair of knob handles Note: - The actual color may vary slightly due to monitor brightness and lighting conditions. - Slight variation in measurements may occur due to manual measurement.