Schrade Viper 3rd Generation Out the Front Assisted Opening Knife, 4034 Stainless Steel Double Edged Spear Point Blade Aluminum Handle with a Deploying open end & Safety lock with slide assist knob. Specifications Blade Length: 3.5" (8.9cm) Closed Length: 5.3" (13.5cm) Blade Steel: 4034 Stainless Handle Material: Aluminum Window Breaker Tip Blade Lock and Side Safety Deep Carry Pocket Clip Weight: 4.9 oz. Made in Taiwan