Material 304 Grade Stainless Steel
Finish Satin Stainless Steel, Polished Stainless Steel or Electro Brass
Size 102mm x 76mm x 3mm or 102mm x 102mm x 3mm
Packaging Sold in Pairs, both the main spring hinge and the companion hinges
Recommended Door Thickness 44mm - 50mm doors
Marks of conformity Fire tested to BSEN 1634-1: 2000
Mechanical warranty 5 Years in Commercial Situation
Finish warranty 5 Years

D&D is a brand you can trust in many kind of door hardwares and furniture items.