Holts Repair Putty for Holes and Dents Cataloy Paste 400g Holts MH104 por | 18 Jul 2026Single-color putty = light gray hardener = blue cured color = light blue / 400g / MH104. Product Introduction ● Ideal for repairing scratches dents and holes in car bodies. Also suitable as a material for hobby model and model molding.