Error Proofing By Design permeates our interchangeable head system. That approach starts with our design, but it doesn't stop there.
Need the world's best heads? Here they are. One piece, cast, proprietary steel selection. These heads give you much more:
Our smallest head fits on our largest wrench.
Our largest head fits on our smallest wrench.
Reduce the count of tool and interchangeable head SKU numbers.
Need a 3D drawing of our interchangeable heads? We have it!