Flex Fs 140 Flexible Shaft Set Pre CommandeFlex FS 140 Flexible Shaft Set The Flex FS 140 Flexible Shaft Set allows you to easily repair hard to reach areas with a conventional polisher using your Flex PXE 80. With its long shaft, over 4 1 2 feet, you can use the tool virtually anywhere on your car. One of the best features of the FS 140 is that it attaches to your PXE 80 with the quick change mechanism and offers a highly effective accessory change. The handle of the FS 140 is extremely thin