These gunmetal cord ends provide both a hook and a center crimp to simultaneously finish the ends of jewelry cord and add a hook-and-eye clasp! Choose a hook crimp with an inner diameter (I.D.) that matches your size of cord, then pair it with a loop crimp of the same size and color. Gunmetal findings are a great way to add depth of color and tone to artisan jewelry. Gunmetal plating varies from deep gun blue to matte dark gray to shiny black.