Engraving pen 5-speed adjustable rechargeable engraving tool kit DIY lettering

Features: *Brand new high quality and durable *Complete accessories to meet your use *Three speed control engraving pen *Five-speed adjustable speed range 3000/6000/9000/12000/15000R/min *Engraving machine for engraving grinding and trimming Specifications: Product name: engraving pen Scope of application: engraving grinding trimming etc. Voltage: 3.7V Copper chuck size: 0.5/1.0/1.5/2.4/3.0/3.2MM Speed range: 3000/6000/9000/12000/15000R/min Package Included: 1*Engraving pen 1*usb data cable 3*sandpaper circles 1*slice 3*drill bits 5*connecting rod 5*grinding head 5* chuck 5*wool wheels Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.