Replacement profile for Click n Crimp, suitable for twin bootlace ferrules 2x6 - 2x16 mm² The Click n Crimp system can be customised to suit the user's specific requirements. It consists of Click n Crimp crimping die inserts, each of which is designed as a pair-comprising an upper and lower die-and is specifically suited for processing twin bootlace ferrules in the range from 26 to 2x 16 mm².