The Boker Magnum 02GL193 Set Profi-I Throwing Knife, this new throwing knife set is robust and reliable! The full steel construction of 420 stainless steel is extremely well balanced, ensuring increased accuracy. Sheath included. Each knife weighs 7 oz., and is 10 ¼ in. long. This Boker Magnum 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.