Harbor Breeze 1.85-in Black Plastic Indoor Universal Ceiling Fan Pull Chain in the Ceiling Fan Accessories department at Lowes.com
Ceiling Fan Pull Switch Zing Ear ZE-110 3 Wire 3 Way 2 Circuit 4 Position Fan Speed Pull Chain Light Switch Replacement with Pulling String, Black Nickel - Amazon.com
3-Way Canopy Pullchain Fan Light Switch - 3-Wire
Correct pull-switch wiring scheme for a 3-speed ceiling fan and 4-lead capacitor - Home Improvement Stack Exchange
Leviton 3-Amp Single-Pole 2-Circuit 4-Position (Low-Medium-High-Off) Pull Chain Switch 1689-50 - The Home Depot
Ceiling Fan Switch for Zing Ear ZE-110 3-Way 3-Wire Pull Chain Fan Light Switch | eBay