U1 Carbon Fiber/Donut Folding Knife Universal Utility Blade Pocket Knife Size: 83.8mm (closed length) * 27.6 ± 0.3mm (width) * 11.2 ± 0.3mm (excluding clip thickness) Material: 30Cr13 stainless steel (main body) carbon fiber/G-10 (handle); stainless steel (screw) Weight: 65g Handle: CNC processed with black textured carbon to reduce product weight, wear-resistant and non-slip, good grip. Screw: The screw locking and clamping design facilitates blade replacement and effectively reduces blade shaking during use. Lock rod: The locking method makes the folding process smoother and provides a better feel; during the opening and closing process, the locking mechanism is safer and more reliable, ensuring that the knife holder is firmly locked and increasing work safety. Blade: Compatible with 60mm (length) * 19mm (width) * 0.6mm (thickness) standard art blades without holes and with 4 holes, the blades are easier to obtain and replace. Clip: The tail is designed with a rope hole to meet the user's rope carrying needs