fine toothed

/ˈfaɪnˌtuθt/
adjective
  1. Having very small, closely spaced teeth (used of combs, saws, or similar tools).
    • She used a fine-toothed comb to remove the tangles from her hair.
    • The carpenter switched to a fine-toothed blade for the intricate carving.
    • A fine-toothed saw is best for cutting delicate wood without splintering.
  2. Very thorough and detailed; examining every small part (figurative use).
    • We need a fine-toothed review of the contract before signing.
    • The auditor went through the company's records with a fine-toothed comb.
    • The detective examined the crime scene with a fine-toothed approach.
Antonyms
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