Add to cart Reef Line Single Blade Line Cutter $18.95 Sturdy plastic with Marine Grade Stainless Steel Blade (removable and changeable). Nylon sheath which can be mounted on webbing up to 50mm wide. Size of Nylon Sheath: Approx. 8.9 cm x 6 cm Maintenance: After use, rinse the line cutter in freshwater, dry it, and not replace it until the blade and nylon pouch is dry.