Kwik Silver plated fish tape, same strength as conventional steel tape, corrosion-resistant, smooth plated to make it easier to fish with. High-impact nylon, one-piece handle with large handle grip. Self-tensioning, wide, impact-resistant rewinder case with viewports to ensure tape fit and retaining strap on inside to hold tape secure. 400 lb maximum design strength. 0.060 in thick 5 lb.