Catalog correction · November 1, 2026
Klein Tools MM400
This product is no longer in our current buying shortlist.
The previous link was for MM420, not MM400. MM420 now has its own review and specifications; old MM400 claims are withdrawn.
We have withdrawn the earlier review and its buying link. No verified exact-model Amazon offer is published on this page.
Evaluate the current alternative
This is a different product with its own specifications, limits and price. Read the new assessment before choosing it.
Read the Klein Tools MM420 review →