The dual end pneumatic jewelry engraving machine is a versatile tool suitable for jewelry processing and carving tasks. With a compact size of 27*13*21cm and a voltage of 220V, this machine features a handpiece working speed range of 400-8000RPM, allowing for precise and controlled engravings. The UK plug ensures easy use, and the air pressure range of 0-60 PSI adds flexibility to the crafting process. Made in China, this impact graver is a reliable choice for creating intricate designs on various jewelry pieces. It’s not in the box but I have never used it