Where to buy B and M cable clamps

Anyone know where to get a cable clamp at a brick and mortar?? I know I can get them online, but was wondering if you guys still see these in stores? I’ve looked at home depot and lowes, but nothing. I have an OSH nearby and haven’t checked there yet. Seen lots of imitators that don’t look like they would work quite the same way. Lowes had 1 model that looked real close, but they only carried it on the big size. I use the medium, blue cable clamp.

Found it on their site. Imagine that