304 Stainless Steel Perforated Sheet 12″x24″ .040 1/8″ Round Holes 33% Open 102
(20 gauge). Due to its austenitic structure, it is only slightly magnetic. Material: 304 Stainless Steel (AISI 304 / 1.4301). Why Choose This Perforated Sheet High-quality 304 stainless steel. (4) 304 Stainless Steel Sheet 0.023″x4″x6″ 20ga 0600106.