1Surface heat treated parts for durability and long working life. 2Handle design is more user-friendly, reducing work intensity. 3Hard oxidized cartridge, durable and lightweight. 412.9 high-strength hex socket fixing screws for easier use. 5Made of high quality aluminum alloy, iron and steel material, solid and durable.Features: 1. Surface heat treated parts for durability and long working life. 2. Handle design is more user-friendly, reducing workstrength. 3. Hard oxidized cartridge, durable and lightweight. 4. 12.9 high-strength hex socket fixing screws for easier use. 5. Made of high quality aluminum alloy, iron and steel material, solid and durable. Specification: Condition: 100% Material: Aluminum alloy, iron and steel Capacity: 100pcs Nail length: 13mm/0.5in Inner width of the nail: Approx. 10mm / 0.4in Air Pipe size: Approx. 8mm / 0.3in Working pressure: 4-8mpa Applicable nail: U-shaped nail Usage: Wood inlaying and fastening of furniture manufacturing, woodworking work such as wire boards and skirting boards Package list: 1 x Host 2 x Hex Wrench 2 xSeal O-ring Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.