Features: Double ended tungsten steel pen.Includes screw on end-cap for one side so you know which side has not been used! Tungsten steel tip marks hard materials including hardened steel, stainless steel, ceramics and glass. Incredibly hard & sharpness tungsten steel tip makes precise lines and characters on almost any metal. Scriber Clip Pen only, other accessories demos in the picture is not included. Good performances, convenient and practical, suitable for home and professional use. Specifications: Material: Tungsten Steel Length:Approx.136mm/5.35inches Head length: 9mm Head thickness: 3mm Handle thickness: 9mm Package Includes: 1x Scriber Pen note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.