The 5-pc SAE/Metric XL Flex-Head Ratcheting Wrench Set from Mac Tools features advanced flexibility on the ratcheting end with a 72-tooth, 12-pt. gear design for a 5-degree incremental movement. The ring end is flexible through 180 degrees. The fixed side has a 0-degree offset for straight-on access while the ring profile helps maximize contact surface with the nut.