If Your Car Is Difficult To Start, The Trouble Might Be Your Car Battery. Your Battery Not Only Needs A Firm Connection, But It Needs Clean Terminals To Give You Full Power. This Little Terminal Cleaner Is Just The Thing To Carry Along With You Any Time. It's Small Enough To Fit In The Glove Compartment. Just Place The End Over The Battery Terminal And Twist. The Tiny Wire Bristles Inside Do All The Work For You. In No Time Your Terminals Will Be Free Of Corrosion, And Your Battery Will Have Full Power Again.* 3" X 1.25" Diameter * Stainless Steel * Weighs 2.4 Oz * Easy To Use * Makes A Difficult Job Easy