Schrade Shudder Assisted Opening Folder Knife. This future Delta Series icon features stylish aluminum handles AUS-10 blade steel an aggressive tanto point and our now famous Nitro Assisted opening mechanism. Specifications for Schrade Shudder Assisted Opening Folding Knife: Manufacturer: Schrade Blade Length: 3.5 in Closed Length: 4.75 in Blade Material: Steel Knife Application: Folding Blade Overall Length: 8 in Handle Material: Aluminum Sheath Material: No Sheath Weight: 4.4 oz Color: White/Black Blade Type: Folding Package Contents: Schrade Shudder Assisted Opening Folding Knife Schrade 1159289: Shudder Assisted Opening Folder Knife