ali industries 3731-003 Master Mechanic, 5 Pack, 150 Grit, Mouse Hook and Loop Refill Sanding Sheet The product is Master Mechanic, 5 Pack, 150 Grit, Mouse Hook & Loop Refill Sanding Sheet. Easy to use The product is manufactured in China 5 pack 150 grit fine mouse hook and loop refill sanding sheet 5 pack 150 grit fine mouse hook and loop refill sanding sheet Works best for light surface preparation Hook and loop design allows for easy switching of sanding sheets