Features: Sturdy stainless steel holders offer corrosions resistance, durability, and elegant brushed finishes for seamlessly integration with acrylic signage and pictures frame. Features hollows tube screws with adjustable height and multiple diameter for various mounting of advertising materials and displays. Ideal for advertising professional, retailers, and businesses seek mounting solution for promotional boards and commercial displays. Secure fastens outdoor signage, storefronts window promotions, or exhibition booth panel with these weather resistant, high load bearing acrylic frame nails. Brushed enhances visual appeal while stainless steel construction ensures long time stability in humid or high traffics environment. Specifications: Materials: Stainless Steel Type: As Picture Show, 12 Type to Choose Size: 1.6x2.50cm/0.63x0.98inch, 1.2x3cm/0.47x1.18inch, 1.6x2.50cm/0.63x0.98inch, 1.6x3cm/0.63x1.18inch, 1.9x2.50cm/0.75x0.98inch, 1.9x3cm/0.75x1.18inch Package Includes: 16pcs Advertising Nails note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.