Highly polished 316G stainless steel.Standard-duty use.Other Details: Part No. Description Length(mm) Width(mm) Height(mm) HoleCentres(mm) MountScrews(mm) 29175 Stainless Steel Cleat 150 45 30 57 x 28 6.4 c/s 29176 Stainless Steel Cleat 200 55 40 72 x 34 6.4 c/s 29177 Stainless Steel Cleat 250 67 46 92 x 45 6.4 c/s 29179 Stainless Steel Cleat 300 87 67 120 x 61 6.4 c/s