Material: SUS304 or SUS316 solid stainless steel • Function: spring loaded; spring tested 200,000 times; unsprung models also available • Rose: 53 (dia) x 8mm with steel inner supplied as standard • Supplied with 8 x 8 x 100mm "heso" spindle, steel zinc plated • Supplied with both metal and wooden fixing screws for door thicknesses 38-60mm • Supplied with M6 grab screws and hardened alan key • Euro hole escutcheons supplied upon request • Other keyholes also available (BB, CH, OZ) • Different rose and escutcheon sizes available: φ52 x 10mm, φ52 x 7mm, φ45 x 10mm,φ45 x 8mm • Special size spindle and fixing bolts available for special orders • Available finishes: satin (SSS), Polish(PSS), PVD, Antique Brass Plated(AB), Antique copper plated (AC) • Technical suggestions would be highly appreciated