ColdLand Knives | 1/4" Diameter and 6&rdquo; Length Brass Mosaic Pin for Blank Blade Knife Making Supplies MP01 1/4" Diameter and 6 Length Brass Mosaic Pins for Blank Blade Knife Making Supplies Mosaic pins are filled with epoxy compound so they are not solid rods. Do not peen them as regular solid rods, do not cut them with hack saw. Use abrasive cut-off wheels to cut and set them with epoxy when assemble your knife. NOTE: We did not polish the brass outside because this part will be hidden in the knife handle handle so it is useless to polish it.