The lamp meets the Swedish harmonized European standard SS EN 605981

Diameter rose: 57 mm

there is a loop inside the ceiling fixture that can be bent upward for this purpose

button in duroplast

please see below under related articles

Dörrhandtag - Låsbolaget 437 nickel Återfjädrande The lamp meets the SwedishBeautiful door handle in nickel plated brass, made after an old original. Time period: 1880 1930 Material: Nickel plated brass Original model: Lsbolaget N: o 437 Included in the price: Pair of handles for one door, screws for mounting, and 8 mm spindle (square pin). If you want to use this handle on modern doors with 40 mm drilled holes, a cover plug (item no. 101 280) should be used. The cover plug is sold separately (see related product below).