Super Strength "Long-Strand" Reinforcing Compound

• The preferred filler to use when repairing large rusted-out metal areas and cracked or shattered fiberglass to its original strength
• Contains extra long strands of chopped fiberglass that provide extra strong bonding power
• No-sag formula lets you use Long 'N Strong in cracks, holes, edges, behind panels or any other difficult area that needs strong reinforcing
• Rustproof and waterproof
• Use with Blue Cream Hardener