Features: One-Touch: Tip heats up instantly with the push of a button Precise: The filament tip makes precision burns even on the finest threads and knots. Battery Operated: The zapper uses 1xAA (1.5V). Get multiple hours of use from this tool with just one battery. Easy to Use: Simply push the button and-touch to your thread. After you're done, let the tip cool and replace included-cap. Professional Finish: Burn excess string at the edge of the knot, creating a clean finish. Specifications: Material: ABS Size:Approx.13x1.3cm/5.11x0.51" Note: Please allow 1-2cm errors due to manual measurement,Please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1Piece Burning Pen Line 1Piece Replace the Pen