DEWALT Drill Chuck for Impact Driver, Quick Connect (DW0521) - Power Core Drills - Amazon.com
DEWALT 3/8 in. and 1/2 in. Drive Impact Accessory Set (10-Piece) and 3/8 in. Deep Impact Socket Set with Ratchet (23-Piece) DWMT74741W74738 - The Home Depot
DEWALT Impact Ready FlexTorq Steel Screwdriver Bit Set (35-Piece) in the Screwdriver Bits department at Lowes.com
How to Replace the Chuck on a DeWalt Impact Driver--A Quick Fix - YouTube