AB Marine MagicEzy Hairline Fix, repair sealant, .43 ounce tube, snow white. A glossy, one-part nano sealant with in-built colorant that penetrates deeply into the finest of damage and delivers structural grade adhesion and dries to a gloss finish. GUARANTEED. Use it on boats, tiles, stone benchtops, jet skis, fiberglass showers and more. Key features: Fixes and colors in one application. Penetrates deeply into very fine cracks and will prevent them from spreading. Rubber-like flexibility for long-lasting repairs. Perfect for gelcoat crazing, hairline cracks, non-skid deck areas, and fine scratches. Product can be drilled and sanded.