RS Pro French Color Range Crimp Bootlace Ferrules French color range insulated crimp ferrules made from bright tinned copper with polypropylene insulating sleeves accept tri-rated and 2491X cables. These French color range crimp bootlace ferrules provide a neat end termination to multi-stranded wires and reduce the possibility of wire strands short circuiting adjacent terminals. These ensure a positive connection when used with terminal blocks and captive terminals. These crimp bootlace ferrules are available with a variety of pin lengths and wire sizes.