Jumper Buttons, Nickel Silver Double-capped. Two heads, no legs. Jumper Hook Strong Hook Dot Button Color: Silver Nickel 5 sets 3 parts per set: 2 heads, spring, post (no legs) 7050 size, head: approx. 15mm diameter A setting tool is required. Please be aware. For those who understand how to install them, thank you. For leathercraft, etc.