The Smith & Wesson First Responder Black Magic Assisted Knife has a 3.4 inch blade and a 4.8 inch handle. It has a nylon fiber handle. The total weight is 4.9 ounces. It features a spring loaded glass breaker. It is made of 4034 stainless steel. 
 
Blade length: 3.50 in
Overall length: 8.25 in
Blade material: Stainless steel
Handle material: Nylon
Comes complete with pocket clip
Weight: 4.90 oz
Lock type: Plunge lock