Related Clues:

• Just a jot, like Greek letter
• Cutting piece of a drill (3)
• The cutting piece of a drill
• Small piece or quantity
• 'Part, fragment (3)'
• Very small amount for a Greek letter
• Part of 21 across
• 'Very small amount, jot (4)'
• Measure of weight
• Imperial measure of weight
• Thank you for the ten - even though it's so little
• A tiny ten, thank you
• Very little thanks with ten
• Is there a trace of this up for ABCDEFGHI?
• Is there any trace of a turn of ABCDEFGHI?