This item is for twenty of the 13mm tall Tree Spikes (and 20 screws used for attachment).
 
These spikes have a similar shape as a tree with a silver color finish. They stand about 0.5 inch tall (about 13 mm).  Each screwback spike comes with a silver screw for fastening onto clothing, bracelets or anything. Spikes are commonly used for Couture fashion with a street look, Dog Collars, Punk jackets, Gauntlets and Bracers, Bracelets, Goth apparel, etc. Some projects have also included these on Motorcycle fenders and other auto-custom designs.

Made from high-quality brass so it can be used in outdoor applications. 

Description and Specs:
height: 0.5 inch, 13 mm
base diameter: 5/16 inch, 8 mm
material: nickel over brass
finish: nickel
color: silver
screw type: inch 6-32, 3/8" length thread
shape: round tree
Bag size: 20

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