Boat Hook Microfiber Mop Soft micro fiber straps provide gentle and effective cleaning action. The fast-drying micro fiber is highly absorbent and scratch resistant while also preventing water spots. Fits all Sea-Dog boat hooks and all universal threaded devices. Universal/Acme ThreadWARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.