Power Grip Plus117860" Wire leader with stacking, self-locating snap4 1/4" in lengthStreamlined design won't snag on weeds or foul linesGreater range of release tensions"tension adjuster" doubles the holding power if neededLarge, easy to handle shapeThe line release is the critical link between the downrigger and the fishing rod. If it does not perform properly you will lose both valuable fishing time and fish. The fishing lien is gripped between the soft pads with variable release tension attained by moving the line in or out of the jaws. The line release is attached to either the weight or the cable. "tension adjuster" doubles the holding power.WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.