Material and color - Made of high quality cotton, environmentally friendly, with a strong nylon cord; available in multiple colours. Size and construction - Cable length: approximately 50 metres. Primary function - For professional winding of rod rings on the rod blank. Additional uses - Can be used as fishing rod line or as a guide ring. Key benefits - Durable and easy to handle, suitable for precise winding tasks on rod blanks. - Colour options help with coding and organization during build or maintenance. - Versatile enough to serve as fishing line or as a guide ring component when needed. Practical use scenarios - New rod construction: use to wind and seat rod rings on the rod blank for consistent guide alignment. - Rod maintenance or repair: replace or rethread line and secure guides during on-site fixes. - Field setup: carry as a versatile line option for quick rigging, temporary guide alignment, or light-duty fishing line in a pinch.