my 2018 Harley Softail. The tip of the T45 bit is turned off at the top and slotted at the bottom as well. Needless to say it ripped off the head of the screw in the passenger footboard. Good. This was the second time I've used this item. I probably twisted it loosening the first screw, and when i tried to loosen the second screw it just wasn't enough and it broke.of course part of the problem was that whoever installed the screw had to use a percussion tool and/or overtighten it.regardless of should the t45 bit lasted more than two uses you get what you pay for I should have known better.