The SKF Adjustable hook spanner, size 14 - 24, has a pivoting hook that allows tightening and loosening of a variety of lock nuts. They are used to secure and adjust bearings on tapered journals, adapter sleeves and withdrawal sleeves. They are an economic solution as they fit on a variety of lock nuts with outer diameters 90 - 155 mm. To be more specific for locknuts: KM 14 - 24, KMK 14 - 24, KMFE 14 - 24, KMT 13 - 24, N 14 and M62x1,5 - M110x2 (DIN 1804)