"K 507 WF pressing tool with interchangeable press inserts for bootlace ferrules Large cross-section range from 0.5 - 50 mm² One press profile for all common conductors Quick and easy replacement of the crimping inserts Fewer pressing cycles due to optimum usage width With locking device for evenly controlled pressing results Adjusting disc for compensating for natural tool wearAdditional information Optional crimping insert for twin bootlace ferrules"