Possible Clues:

• Its points are named by boxers
• Spam spread included in company's range
• Go round with needle
• Free ticket on dummy range
• Device hinting at the directions that were added to the starred clues' answers
• Instrument for determining direction from magnetic needle
• With 55-Across, direction indicator
• That firm but silly Parliamentarian is needing the North
• It can give you a pointer
• Box the ---, change fully round