Adaptable nails: Wire diameter of 2.3mm, compatible nail lengths of 15-19mm or 22mm, and a capacity of 100 nails. Operates at an air pressure of 5-7kg/cm2 with a tube size of 5x8mm. Tool-frees depth setting: Easily adjust nail depth to accommodate various cardboard thicknesses without the need for extra tools, making it ideals for different box sizes and materials. Ergonomic long handle: The extended handle design minimizes hand fatigue during extended use, while the rubber sleeve ensures a secure, nons-slips grip for comfortable operation. Effortless jamming clearance: Designed for easy access to quickly clear nail jams, helping to minimize downtime and maintain a smooth workflow. Applications: Suitable for sealing boxes, cartons, and closed corrugated cardboard. Commonly used in furniture, paper, leather, decoration industries, and for fabric fixation, leather splicing, and combining paper/plastic sheets.