https://www.lowes.com/pd/Gardner-Bender-16-oz-Duct-Seal/4595233?cm_mmc=shp-_-c-_-prd-_-elc-_-ggl-_-LIA_ELC_106_Tools-Wire-Connectors-_-4595233-_-local-_-0-_-0&ds_rl=1286981&gbraid=0AAAAAD2B2W8IlJOo3TfvRtLi3UKP6oIj1&gclid=EAIaIQobChMI2YOn572o9QIVtBNMCh3FkQVWEAQYASABEgKQMvD_BwE&gclsrc=aw.dsPlumbers putty, duct seal, or butyl tape... Really depends on the application
Never seen it like that... Only ever bought it in bricks.
I asked about this stuff once in the depot and they looked at me like I was crazy. I forgot all about it. Thanks for reminding me!