Korda Dark Matter Leader Ring Swivel is a fused plastic leader with an integral tungsten section, designed for carp fishing. It comes in a 1m length with a 30lb test curve. The leader is available in Weed Green, Gravel Brown, Clay, Silt, and Clear colour options, and is one of three types in the Dark Matter range, alongside the Hybrid Leadclip and helicopter versions. - Weed Green, Gravel Brown, Clay, Silt, and Clear colour options - Ring swivel type - 1m in length - 30lb test