Extractor: 3 arm Finish: Galvanised Material: Special steel Especially suited for pulling ball bearings, pulleys, gears, etc Double sided arms, one end broad, other end narrow Spare body 4542-A/B for 4542-A 4542-B/B for 4542-B 4541K: Spare arm Spare spindle 4532-OAB/S for 4542-A (M14x1.5x135, SW 17, 190 g) 4519-1/S for 4542-B (M18x1.5x240, SW 19, 485 g)