- Fixman 875781 nails designed for masonry and DIY work - Made of hardened and galvanized steel for maximum durability and corrosion resistance - Round shank for easy insertion and improved holding in hard materials - Perfect for fastening wooden pieces to brick, concrete, and other construction materials - Includes storage case with compartments to organize nails by size - Variety of sizes between 20 and 40 mm, adapting to different fastening needs - Gray color, professional finish, ideal for home and professional use