The Hultafors OK1/OK4 Outdoor Knives have a scandi grind and are made from Japanese knife steel 3.0mm carbon steel that has been hardened to 58–60 HRC. It has a rust protective, electrophoretic deposition coating to withstand corrosion. The ground spine of the blade is designed for starting a fire with a fire starter and there is scale engraved on blade for optimised outdoor usage. It is fitted with a larger handle made from super-durable PP plastic. Supplied in a holster with a hard-wearing, textile belt loop for belts up to 80mm wide. The holster can be attached around a button on your work clothes so that it does not come loose whilst still being easy to remove. OK1: Overall Length: 225mm OK4: Overall Length: 209mm