This is the standard half inch (13 mm) tall spike in our black-nickled metal color. Each spike comes with a screw for fastening onto clothing, bracelets or anything. For each quantity, you get one-hundred spikes.

Screwback Spike description
height: 1/2 inch (14 mm)
base: 5/16 inch (8 mm)
color: metallic black
finish: black-nickle
base-metal: brass
shape: round tree-like spike
screw type: inch- 6-32, 3/8"length