Boker Turbine Forty-Two 4mm thick blade made of X-15 T.N. steel Precise CNC machined AlMgSi1 handle with finger grooves that provide a secure and comfortable grip Pocket clip allows tip-up or tip-down carry for added convenience Overall length: 8 7/8 in. Blade length: 3 7/8 in. Weight: 5.5 oz. Limited Lifetime Warranty