CFC that stands for coil filler code, this kind of zipper runs on two coils on each side, teeth is formed by the windings of the coils. This is a kind of zipper is made of nylon and thus also known as the nylon zipper. Cfc pin lock zippers comes with the sliders that will not slide freely and smoothly unless the pin tab is raise or lifted to a degree to release the locking pin. GIL provides you with the best quality of such zippers having best quality GIL auto lock sliders, available in all the colours included in the shade cards.