1. CNC machine made, completely made of Aviation aluminum alloy, anodized treatment for anti-rust, stay bright, super light weight but strong for good work. 2.Stainless steel split ring saw tooth jaws with Teflon finished---Unique shark teeth jaws occlusion makes durable and not easy to loose. With multi-function of grip lines, split ring (split 3.5# ring perfectly),crimp lead and crimp sleeves. 3. Tungsten carbide cutters---Replaceable tungsten carbide cutters with a hardness of 70 HRC to make more hardness and sharp to cut braid and mono lines. 4. Spring loaded handles---flexible and comfortable when opening jaws and closing,freely one-hand operation. Anodized for the perfect balance of hardness and color. 5. Size: 7"(178mm) Weight: 3.5oz(100g). Packing information: 1*Aluminum fishing plier 1*Nylon sheath keeps the pliers from being hurt 1*Coil lanyard protects pliers from being dropped