TARIC 8483.40.25.20 — Worm gearbox -in an aluminium alloy housing, -with a plastic or steel worm, -with mounting holes, -with a 90 degree reversible drive direction, -with a 4:19 transmission ratio, -equipped with a lead screw with a length of 310 mm or more but not more than 380 mm, -with a guide nut incorporated into the assembly bracket, -with or without a lead screw support, for indirect connection to the drive motor of a car seat guide system | TariffCodex