Draper Assorted Aluminium Oxide Sanding Sheets, 232 x 92mm (Pack of 10)

Amazon

For most 1/3 sheet sanders Assorted pack comprises 3 x 60, 4 x 80 and 3 x 120 grit grades Made From Aluminium Oxide Comprises of 3 x 60, 4 x 80, 3 x 120 grit grades, Weight: 0.24 Pounds, Manufacturer: Draper

Electrical World

For most 1/3 sheet sanders. Assorted pack comprises 3 x 60, 4 x 80 and 3 x 120 grit grades. Packed 10 sheets per pack.