Teeth points high-frequency, heat induction hardened for long-lasting performance.51 supplied with peg tooth blade for dry wood, 23 supplied with raker tooth blade for green wood.The knuckle protector provides comfort and safety.Powder painted steel tube for excellent rust protection.SE-16 with pointed nose for better access in tight areas.Professional bow saw for all types of work, especially in building, gardening, farming and forestry applications