The ProTech Tactical Response TR-3 knife features a slender, well designed handle. The fast opening automatic knife has a multi-task 3.5" beadblast blade. The handle is machined from solid bars of T-6 aluminum that have a blue anodized finish. The Tactical Response series knives are the perfect size for every day carry. The auto button pops the blade right out and it has a solid snap to it. Comes with a tip up pocket clip. Blade: 154-CM Stainless Steel, 3.5" Long Blade, .125" thick, 59RC , Handle: T6-6061 Anodized Aluminum, Blue Open Overall Length: 8.0" Closed Overall Length: 4.5" Weight: 3.6 ounces