Silver Vein Butterfly knife by Bear and Son Cutlery. Each Bear & Son knife is handmade in the USA in Jacksonville, Alabama. 4" high carbon stainless steel hollow ground blade Epoxy powder-coated handles Hand crafted. Blade Material : 440 Stainless Steel Handle Material : Zinc (Epoxy Powder Coat) Blade Length : 3" Overall Length : 7-1/2" Closed Length : 4" Weight : 3.8 oz. Extras : Hollow Ground Blade