Meco Pneumatic Air Scribe Hammer With Hose Engraving Pen Engraving Tool

Features : Quick lettering, use for flexible and comfortable. Pen needles is made of special alloy steel, good durability. Depending on the difference of material, depth can be up to 1mm. Works great on metal, wood, plastic, glass, stone, porcelain and other hard material. This configuration is great for marking tools, parts and more. Specification : Pen needles Material: Alloy steel Main Color: Black Vibration frequency: 3400 / min Air consumption: 0.11 (m3/min) Working pressure: 0.8mpa Dimensions : Length: 180mm/7.1" Lead Length: 150mm/5.9" Air inlet size: 1/4" Package includeds : 1 x Engraving Pen Details pictures :