SPOOL HANDY - Keep your tippet-material from un-winding off the spool. These elastic-bands are for spool-sizes 2-1/4 to 3-1/8 spools with 1/8 grove. Stretch elastic around spool, pull out bead and insert tippet. Grip spool between thumb and finger, pull out desired amount of tippet. (4-pak)