Shark Steam Triangle Mop Head Corner Attachment Replacement Part VGUC The Shark Steam Triangle Mop Head Corner Attachment Replacement Part is a gray-colored accessory designed specifically for Shark steam mops. This attachment is compatible with the Shark S3501A model and is perfect for replacing worn out or damaged mop heads. Easy to install, this triangle mop head attachment helps to effectively clean corners and tight spaces, ensuring a thorough and efficient cleaning experience. Made by the trusted brand Shark, this replacement part is a reliable and high-quality addition to your steam cleaner accessories.