Lid lifter for quick dismantling of the cover of the walk-in cable tray system with retaining springs. The lid lifter is positioned directly on the lid retaining spring on both sides. The lid and retaining spring are removed from the cable duct by pulling evenly. To enable problem-free lifting, 2 lid lifters must be used at the same time. Lids with retaining springs can then be reused. Can be used for: walk-on cable tray covers RDS... RDRS... RDSRSL... RDSRS... walk-on fitting covers: RBADVDS... RBAVDSRS... Dimensions (approx. dimensions) H x W: 170 x 150 mm Material: steel, strip galvanized in accordance with DIN EN 10346