Moeller Precision Tool Moeller, Piercing Products, Piercing Tools, punch, punches, die buttons, retainers, contract machining, ball-lock, ball lock, shoulder punch, quill punch, blanks, EDM, ultra life, true set, true-set Moeller Manufacturing is a member of NAPMA and a leading supplier to the stamping industry. It produces standard & special tooling, including retainers, punches, die buttons, piercing & trimming tools, die sections, springs and nitrogen cylinders.