Description Fashion and Apparel use:Many people use these on fashion apparel like shoes, jackets, chokers, or creative leather gear. The material is lightweight enough to be great for these applications. They add a dramatic flair to any costume or fashion design. Screwback Spike description:height: 45 mm (1 and 3/4 inches)base width: 19 mm (3/4 inch)color: Silverbase metal: Aluminumfinish (plating): Nicklescrew type: Size 1/4 inch – 20 NC Tap. 1/2 inch long.shape: giant round tree-like spikequantity in auction: 10 spikes with screws