Vintage Bumble Bee capacitors. Functionality has been confirmed with a tester and guitar. .01 400v A standard, popular value. Ideal for humbuckers in guitars. It cuts through slightly less than the popular .022, but many people prefer it. Also suitable for other electronic components. Bumble Bee capacitors are famous for being original parts in old Gibson guitars. It's not just that old Gibson enthusiasts like to talk about them; they actually dramatically change the sound. Among them, Bumble Bees create a swell in the mid-range frequencies. This is unique to old Bumble Bees. It's also different from current Bumble Bees. In terms of bite, including Wax types, Bumble Bees are the best.