The TMHN 7 set of lock nut spanners is especially designed for mounting self?aligning ball bearings as well as small spherical roller and CARB bearings on tapered seatings. The set makes of use the drive-up method by controlled rotation of the locknut to the desired end position. Supplied in a carrying case with seven different?sized spanners to fit nut sizes 5 to 11, it is suitable for use with lock nuts of the KM series either on shaft or in SNL housings.