Related Clues:

• Middle ear bone
• Get just right
• Get down pat
• Twelve or sixteen penny item
• Piece of hardware
• Ear bone
• Hit squarely
• Attach, in a way
• It may be acrylic
• Get but good
• Carpenter's item
• It's on the tip of one's finger
• Get exactly right
• Hammer target
• Hit dead-center