Klein Tools Has Created A Straight Blade to Use With The Popular Folding Utility Knife (Cat. No. 44218). When You Need A Durable, General Purpose Knife, This Stainless Steel Blade Is The Solution. The Heavy-Duty Coping Blade Is Held Securely In The Utility Knife Handle By A Captive Screw Making It As Secure As A Fixed-Blade Knife.