This item cannot be shipped to the following state(s): GU,PR,VI
The IRWIN Lock-n-Load 5-1/2 in. Quick Change Extension, with a 3/8 in. chuck, has a patented jaw design that is compatible with 6-flatted shanks, ball detent (quick change), and insert bits. It allows for a quick, one-handed release and is made of steel for durability.