Multi-functional Folding Pocket Knife with EDC Clip Damascus Blade Rosewood Handle, Emergency Hammer, DIY Self-assembling Tool. Full length: 8.4in / 21.3 cm. Blade length: 3in / 7.6 cm. Blade thickness: 0.12in / 3mm. Blade width: 1in / 2.5cm. Blade Material: VG10 Damascus Steel. Handle Material: Rosewood Handle. Blade Hardness : 60±2 HRC. Net weight: 3.9oz / 111.7g. Step 1: Pull the bottom decorative ring to the bottom, then turn counterclockwise until the emergency hammer component loosened. Step 2: Pull out the purple component under the emergency hammer. Step 3: Use the hammer bottom part to screw off the handle screw. After you screwing off the emergency hammer, you can see the hidden part of the hammer is a screwdrive shape. Step 4: After the mentioned above 3 steps, the disassembly process has been completed. After disassembling, place the all components and accessories in a right way in case of loss. 1 pocket clip screwdriver. We will try our best to solve the issue. Your satisfaction is our first priority. We always try to provide the best service and reliable products for every customer. However, accident may happen sometimes. We will reply you ASAP.