Knife style: folding knife. Blade core material: damascus steel. Blade outer layer: damascus steel 556 layers. Blade length: 88mm (3.5). Handle length: 102 mm (4). This is a custom designed folding pocket knife with a matte black blade and unique handle. At a thickness of 3mm. The blade was designed at the preferred everyday carry users , traditional hand forged and comes with a hrc rating of 54-59. This incredible sharpness means not only will the blade perform well out of the box, but it will stay sharper much longer (up to 10x) than the average knife. This knife is hand crafted. These unique pocket folding knives are made of damascus steel for a sturdy, tough, rust-resistant finish with an ergonomic design. Always passionate doing something new / contact for custom orders for brands , groomsmen gifting , wedding or giveaways. Thanks for supporting small handmade business. This item is made of damascus steel and brass, mosaic pin.