Compatible with Shark FlexStyle HD400 Series：Compatible with Shark Flexstyle HD400, HD430, HD432, HD435, HD440，not Compatible with FlexFusion/Glam/SpeedStyle/Pro/Pro Flex. Rotatable Barrel for Deeper Root Access: Rotate the barrel to press the side bristles against your hair, the wide teeth reach deep to your roots, stretching tight curls and even coily, afro-textured hair.
