Elevate your tool collection with the Snap-on Tools 3/8" Drive 6pc Knurled Extension Set, featuring the FX11, FX8, FX4, FX3, and FX1 pieces. Each set is meticulously crafted in the United States and showcases the signature chrome surface finish that Snap-on is renowned for, ensuring durability and a professional look.

This set includes six standard-sized, SAE-measurement extensions that fit a 3/8-inch drive, perfect for a variety of automotive and mechanical applications. While no manufacturer part number is provided, the quality and performance of these extensions are in line with Snap-on's esteemed reputation. Note that this product comes with a California Prop 65 warning.