ACUS Rod Guide Heavy 2Extra heavy Rod Guide for use with the second generation of ACUS tattoo machines. Made of stainless steel. CNC machined and surface coated. Rod Guide Heavy 2 was especially designed for the use of lightweight plastic disposable grips. By using disposable grips, you lose weight at the front end of the machine, which shifts the centre of gravity backwards and makes the balance worse. You can simply replace the Rod Guide Heavy 2 with the lightweight Rod