Allura Pressure Balance Single Handle 3 Spray Tub and Shower Faucet in Satin Nickel (Valve Included) Color Finish:Satin Nickel 3823 Cabinet Pull Type Handle Bar 3823 Cabinet Pull Type Handle Bar Pull Finish Matte Black Center to Center Measurement (in lightweight design fits into tight areas 2 speed transmission for optimal speed and torque control LED lights provide visibility without shadows Belt hook included for portability DCF815: 3 LED Lights provide visibility without shadows DCF815: One handed loading 1 4 in hex chuck accepts 1 in bit tips Limited lifetime homeowner warranty A piston style pressure balancing valve equalizes the hot and cold water pressure as other demands are made on the plumbing system