Extractor: 2 arms Finish: Galvanised Material: Special steel Double sided arms, one end broad and the other end narrow Spare body 4541-A/B for 4541-A 4541-B/B for 4541-B 4541K: Spare arm Spare spindle 4532-OAB/S for 4541-A (M14x1.5x135, SW 17, 190 g) 4519-1/S for 4541-B (M18x1.5x240, SW 19, 485 g)