This item is a professional wood burning tips set. Made from premium material, they are durable and practical for long time use. Simple in design but practical in use, giving you comfortable using experience. Great tool for DIY wood craftsman. Features - Color: Silver. - Material: Nichrome. - Size: About 3.00X2.30X0.10cm/1.18X0.90X0.04in. - Power: 30-50W. - Voltage: 3-5V. - Temperature: 0-1000 (Normal temperature). - Note: Random Style - Adopted of great material, it is both sturdy and durable. - Simple in design but practical in use, give you comfortable using experience. - High temperature resistance. No bending, no oxidation, no soft, etc. - Include different kinds of wire tips to meet your need. - Used with 30-50W pyrography machine. Suitable for DIY wood carving.