Overview This new brake light switch kit is a simple & easy way to add a pressure activated brake light switch to your vehicle. The tee is designed for use with most 3/16" hardline & has (3) 3/8"-24 inverted flare female ports and (1) 1/8" NPT port for the brake light switch. The tee includes a mounting hole for easy installation. This switch is not for use with Silicone Brake Fluid Features Tee Features Mounting Hole to Support Tee & Switch Switch is Normally Open and Closes when Activated at 60-100 PSI Tee Can Be Used w/ (2) or (3) Inverted Flare Hardline Ports - Allows Flexibillity In Mounting Location Simple & Easy Way to Add Brake Lights to Most Cars & Trucks Pressure Activated Switch Eliminates Hassle of Fabricating Pedal Operated Switch Dimensions of Tee: 1.475" Long x 1.000" Wide x .750" Tall Ideal for Use w/ After-Market Pedal Systems That Don't Have A Brake Light Switch