The Boker 113004ST Pocket knife Boker Stag has a 440C stainless steel blade. The Staghorn handles are framed by distinctive nickel silver bolsters. Extra blades and sheath sold separately. Closed length: 4 3⁄4 in. Blade length: 3 3⁄8 in. This Boker knife isn’t just for cutting, it’s for leaving a mark. Limited lifetime warranty. A chestnut tree is the world famous trademark of the Boker knife manufactory in Solingen, Germany. It represents innovative, high quality, exceptional knives, manufactured with pride, by hand, for over 145 years.