HIGH QUALITY: The beading tool for jewelry making is made of nylon . Please note that the needles are very , please use with caution. PRACTICAL DESIGN: Jewelry knotted with the knotting tool, if breaks, only one bead fall off, for making and repairing your bracelets and necklaces. KNOTTING TOOL: The bead knotting tool makes quick work of tying strong, even knots in the right place on your strings. Can be used to string and other types of beads. EASY TO USE: The Jewelry Beading Knotting Tool combines the functions of a beading awl and tweezers to make beading jewelry easier and more fun, and can be used by both right and left handers. WIDE APPLICATION: Jewelry making knotting tool is suitable for DIY jewelry and other decorative beads, can be used to tie knots for necklaces, bracelets, anklets and other beaded jewelry.