If you need to pin your mainline down onto the lake or river bed to prevent liners or spooking wary carp, the ACE Hard-On Flying Backleads are ideal for the job. The unique two-part design allows them to be slipped on to your mainline easily without you having to break down your rig. They each weigh 4g and although only tiny, these dense weights really do come in extremely useful when tackling really hard carp waters where you need to pull out all the stops to get a take. The non-reflective matt black finish also helps camouflage the set-up too. Each pack contains six ACE Hard-On Flying Backleads.