And the outer surface is marked with a size
Filaments which have been tested include: PLA
Provides a high degree of finish quality
and all heated and non-heated 3D printer beds
Please remove the protect film which stick on the PEI surface
EZARC Flap Discs 40 Grit, 4 1/2 x 7/8-Inch Flap Sanding Disc, Type 29 Zirconia Grinding Wheel for Stainless Steel, Sheet Metal (10 Pack) auspowers_batchone And the outer surface isEZARC Flap Discs 40 Grit, 4 1 2 x 7 8 Inch Flap Sanding Disc, Type 29 Zirconia Grinding Wheel for Stainless Steel, Sheet Metal (10 Pack) Durable materials: Zirconia alumina materials have greater toughness than standard alumina abrasives, good wear resistance, and longer service life. Read more Product Features Universal Size EZARC professional flap disc is 4 1 2 x 7 8 Inch universal size, which suitable for most angle grinders. Fast & Efficient