What size line is typically attached to the grapnel hooks?

The standard practice for attaching a grapnel hook is to use a line that combines both adequate strength and appropriate length for effective rescue operations. A length of 100 feet of 1.5-inch circumference nylon line is suitable because it provides a strong enough tether to ensure the hook can maintain its grip on a rescue object while being manageable for a rescuer to handle.

Nylon is favored for its durability and resistance to abrasion and water, qualities that are crucial in marine environments where rescue operations often take place. The thickness of 1.5 inches strikes a balance between strength and weight, facilitating easier handling while still being robust enough to support rescue efforts. The 100-foot length allows for versatility, ensuring that the grapnel hook can reach objects at a significant distance from the rescue swimmer or vessel, which is essential in dynamic conditions typically found in water rescues.