shaped stainless steel handle set and slender roller door hinges Variants burglary-resistance WK1-3 bullet proof M3-SA according to DIN 52290 *refer to country-specific approvals - [...] fire-resistance E30-E120, EW30-EW60 smoke protection RS according to DIN 18095, S200 according to EN 1634-3 System properties concealed, invisible door-closing systems individual surface treatment attractively