The SKF Hook spanner, size 5 - 6, 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) 38 - 45 mm. To be more specific for locknuts: KM 5, KM 6, KMK 5, KMK 6, KMFE 5, KMFE 6, KMT 3, KMT 4, KMT 5, N 05, N 06 and M22x1,5, M24x1,5, M26x1,5 (DIN 1804).
