This is the Metallic Gun Metal (MGM) 2-3/4 inch giant spike, our largest spike we have. Each spike comes with a screw for fastening. It is a shiny Gun Metal finish, like a black silverish metal.

Screwback Spike description
height: Two and 3/4 inches (70 mm)
base: 3/4 inch (19 mm)
color: Metallic Gun Metal
base metal: aluminum
finish (plating): Black Nickle
shape: giant round tree-like spike
screw type: inch- Size 1/4 - 20 NC Tap, 1/2" length
unit type: single spike per quantity