Feature: 1. Multiple Grinding Heads: The head of this engraving machine has an interchangeable snap on design that allows different grinding heads to be used to create different grinding effects. Specification: Item Type: USB Engraving Machine Package List: 1 x Engraving Machine 5 x Grinding Head 1 x Conversion Head 6 x Sandpaper 1 x Instruction 1 x USB Cable |