CLOVER-Double Ended Plastic Stitch Holders. Unique design: move stitches from either end of stitch holder! To use simply remove either end cap slip stitches onto the holder then replace the end cap. This package contains two large holders: 6-1/2 in length that works with needles sizes US5/3.75mm through US11/8.00mm. To use simply remove either end cap slip stitches onto the holder then replace the end cap. Imported.