The inside edges of the hole are serrated to better grip whatever you're loosening or tightening, and because of this, a box wrench allows you to exert more force than an open-ended wrench.

These are our top picks for the best hand tools of 2025, including screwdriver, socket, and wrench sets, all-in-one tool kits, and construction jacks.

The REP Fitness AB-3000 adjustable weight bench is a great mid-range option in the category, and our tester found it to be a big value.

For instance, in the hammer method, the inspector touches the sides of the bolt with his/her fingers, strikes with a hammer and, using his/her intuition, determines looseness of the bolts based on ...