3M Cubitron II 34450 multi-hole clean sanding sheet roll, 400+ grit, Hookit attachment, for sanding primer and preparing surfaces for sealer or basecoat.

• Features 3M™ precision shaped grain, triangular-shaped grains that cut at least 30% faster and last at least 30% longer than other conventional ceramic abrasives
• Clean sanding multi-hole pattern delivers excellent dust extraction
• 3M™ Hookit™ hook and loop-style abrasive attach firmly and remove quickly for fast change out
• Kiss-cut scoring technology allows for use in multiple sheet lengths
• A sharper cutting surface means less pressure is required
• Grains are electro-statically oriented on abrasive surfaces for efficient cut, even wear
• 737U Series