Harpoon multi-functional stainless steel sharp barb strong and durable harpoon is not easy to break spring steel material Model: 3-4-5 Harpoon 3 tooth specifications: Length: 14.8 cm/5.22 inch Width: 4.5cm /1.77in Weight: 54.44g /1.92 oz 4 tooth specifications: Length: 15 cm/5.90 inches Width: 4.7cm / 1.85inch Weight: 62.18g / 2.19oz 5 tooth specifications: Length: 15 cm/5.90 inches Width: 5.2 cm/2.04 inch Weight: 71.7g / 2.53oz Features: 1. Spring steel material, durable, not easy to rust 2. The harpoon has sharp barbs, big fish are not easy to run away, easy to use 3.Strong and durable, not easy to break 4. Easy to operate, not easy to slip, easy to carry