3M Trizact 3000 150mm 6" Hookit Wet or Dry Fine Finishing Sanding Discs 50414 X5. Model No. 50414. 3M™ Trizact™ Hookit™ Foam Abrasive Disc 443SA is a foam disc used for removing and refining sanding scratches prior to using 3M™ Perfect-It™ Polishing System.
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