Removed the locking mechanism (small metal circle) inside a Dewalt Screwdriving Bit Holder to switch bits without pliers/blood. Was that locking mechanism important? : r/Tools
DEWALT 18-Pack Magnetic Screwdriving Bit Drive Guide Set in the Screwdriver Bit Holders & Adapters department at Lowes.com
Magnetic Bit Holder with Drive Guide Sleeve - DT7701-QZ | DEWALT Ireland
Screwdriver Bit Holders & Attachments | DEWALT Ireland