High quality glass screw nails with spacer, screw mount advertising tools Stainless steel construction: rustproof, scratch-proof and oil-resistant. Ensures quality and durability. Cross design eliminates the need for a frame. Allows you to drive screws through the sign and attach to the wall for a clean, professional look. Suitable for businesses, offices, shops, supermarkets, stores, art exhibitions, home, advertising signs and billboards. Package: 10pcs x glass, each glass contains buffered silica gel that protects your glass.< /p>