In addition to traditional retrieve-style fishing, fishing with line slacks that are especially diversified in recent years, such as bass, aging, and egging, it is necessary to improve the rotation of the line roller and smooth line retrieval even with little line tension. The line roller direct with the long taper specifications is a unique custom long taper line roller that works with modern technical fushing styles with increased line contact area compared to previous products and greatly improved line trouble. This product is not compatible with conventional line rollers and direct "for real use". If you are looking for a line roller direct that fits "16 Celtate/17 Stases" please purchase the Line Roller Direct "16 Series, 17 Series". This product is a custom line roller that prioritizes rotational performance. Daiwas mug shield mechanism is highly dustproof and waterproof, and the corrosion and waterproofing of the bearing may be damaged as a result of damage when the mug shield is removed. Also, please note that we do not accept the manufacturers warranty.