Double ferrule bakelite E27 lamp holder kit for lampshade

Cover: threaded.
Rated voltage: 250 Vac.
Terminals: screw terminals for rigid or flexible cables from 0.5 ÷ 2.5 mm2.
Fixing: with metal niples threaded M10x1 and locking screw.
Certifications: CE - IMQ

Dimensions
Diameter: 40 mm;
Height: 54 mm;
Diameter of ring nut: 58 mm