With the Quick-Slide you'll never have to cut your line again to put on a sinker. They can be added to any kind of fishing line. All you have to do is insert the line, twist to lock it in place and attach your sinker. This version features a DuoLock Snap to clip your sinker onto. Per 3. Snap sizes: No. 5, No. 6 Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Snaps.