The SKF Hook spanner, size 10 - 11, is designed for easy tightening and loosening of lock nuts. They are used to secure and adjust bearings on tapered journals, adapter sleeves and withdrawal sleeves. They fit on a variety of lock nuts with outer diameter(s) 68 - 75 mm. To be more specific for locknuts: KM 10, KM 11, KMK 10, KMK 11, KMFE 10, KMFE 11, KMT 9, KMT 10, N 10, N 11 and M45x1,5, M48x1,5, M50x1,5 (DIN 1804).
