EASY AccESS - Easily access hard-to-reach spark plugs 12-INcH FLEXIBLE SHAFT - The 12-inch flexible shaft bends and adjusts to fit each individual plug location HAND DRIVEN - Spark plug is started by a hand driven twist knob that rotates both the plug and the tip PREVENT cROSS-THREADINg - Hand driven extension helps to prevent cross-threading SAVE TIME AND KNUcKLES - By making it easy to get to difficult to install plugs this tool saves both time and your knuckles UNIVERSAL FIT - Fits most brands and sizes of spark plugs