Keep your most-used bits exactly where you need them with the BIT BANK Magnetic Bit Holder — precision-designed for the Milwaukee M12 Fuel Impact Driver (3453-20). This heavy-duty, low-profile accessory snaps onto your tool and securely holds multiple driver bits with powerful magnets. Engineered for jobsite use, it saves time, reduces drop risk, and improves workflow. Whether you're on a ladder, under a hood, or inside a crawl space, the BIT BANK keeps your bits locked and loaded right on your M12 tool.