Superior Electric S14-TC4A 3/8" T-Handle Chuck Key. This T-Handle Chuck Key has a pilot shank of 3/8" (9.525mm). It is small and light weight, pilot shank of 3/8" (9.525mm) is suitable for many brands of electric drill chucks. This is a high quality and cost effective product that will be just perfect for you.

Features:

• This is a well machined 3/8" pilot shank chuck key
• If you're looking for a quality cost-effective chuck key, a spare, or to replace that old beat up key, this new drill chuck key will work nicely