The TacStud Stainless Steel Concentric Circle Studs are made from hard wearing 316 Marine Grade Stainless Steel, one-piece stainless-steel construction and have been designed for safety and dignity, whilst providing superior durability in all substrates. 316 Marine Grade Stainless Steel is only used to ensure no corrosion or rust in our marine environments. The retrofit design fixed by stems for epoxy and fitting into most substrates has meant the TacStud Stainless Steel Concentric Circle Studs has proven its design and specifications in many harsh conditions and high foot traffic environments.