Give all your braiding, jewelry, and beading projects a professional finish with the Beadsmith Ultra Thread Zap. This cautery pen features a fine filament tip that heats up instantly and can easily make precision burns on the finest threads and knots, making it ideal for finishing off kumihimo, macramé, and jewelry projects. The tip is also retractable, the pen features a safety clip over the start switch, and the pen is ergonomically designed so it is safe and comfortable to use. - Beadsmith Ultra Thread Zap - Thread BurnerThread Zap, ULTRA -