Size: Grip: dia. 7.2mm (Handle Part 9.0mm) x Approx. L123mm / Blade Tip Min. W: 0.25mm Material: Tip Blade: High Carbon Steel / Grip: Aluminum (Matte Alumite Processed) A special shaped streak carving tool with certain flexibility and great sharpness providing smooth cutting. It is made of high carbon steel blade, capable for any carving style and technique. Due to its special shape, the blade almost not producing any chatter sound. It can be used to sharpen the sides of gap, or flatten the bottom surface. The grip is designed to be controlled as easy as handling a pencil. You can even adjust its weight balance by using the included aluminum grip. Although pin vice you can find in markets can also be used to hole the blade, it may lost the weight balance and makes it harder to use, therefore it is not recommended. *Workable material Non-high hardness resins such as plastic, lost-wax, urethane resin (*Not workable on metals)