YL-GB001 Grab Bar-Knurled: 1)Material:Stainless Steel. ... CoverThickness of FlangeMaterial12",16"…Polished and Peened19,25,32,35…1.2,1.5,…mm0.8,…mm1.5,2 ... 202,304,…12",16"…Polished and Knurled19,25,32,35…1.2,1.5,…mm0.8,…mm1.5,2 ... ,…mm0.8,…mm1.5,2.5,…mmSUS201,202,304,…YL-GB001 Grab Bar-Knurled is designed to protect people ... makes life easier, safer and more comfortable. Most Satisfactory YL-Grab Bar-Knurled