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This set contains three sheet of 5/16 x 5 x 12 dead flat float glass and 7 sheets of 3M lapping film 4-1/4 x 11 in the following microns sizes .3. 1,3,5,12,30 and 40 5/16 Float glass is dead flat and the perfect substrate to attach abrasive sheets Float glass will accommodate a half sheet of lapping film -
Ergonomic hand sanding block that accepts 5” sanding discs with hook and loop interface Working area is 5” x 3” Made from flexible nylon