The 3M ™ Trizact ™ Hookit ™ fine grinding disc 443SA is a foam disc that is removed and refined with which grinding traces are removed before using the 3M ™ Perfect-IT ™ polishing system. - No use of wool composite pads required and reduction of the polish duration for increased productivity No use of wool composite pads required and reduction of the polish duration for increased productivity The 3M ™ Trizact ™ Hookit ™ fine grinding disc 443SA is a foam disc that is removed and refined with which grinding traces are removed before using the 3M ™ Perfect-IT ™ polishing system. Use the 3M ™ Trizact ™ Hookit ™ fine grinding wheel 443SA to remove grinding marks before body parts are repaired with the 3M ™ Perfect IT ™ polishing system. For quick loosening of fine scratches. After proces.
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