The SKF Hook spanner, size 17, 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) 110 - 115 mm. To be more specific for locknuts: KM 17, KMK 17, KMFE 17, KMT 16, AN 17 and M72x1,5, M75x1,5, M80x2 (DIN 1804).
