This is the 1 inch tree spike, stands 1 inch tall. Each spike comes with a silver screw for fastening onto clothing, bracelets or anything. You will get twenty spikes w/ screws in a bag.

Screwback Spike description
height: 1 inch (25 mm)
base: 3/8 inch (10 mm)
color: silver
plating: nickle
base-metal: brass
shape: round tree-like spike
screw type: inch 8-32, 1/4" length