Scotch ___ (3M product) (4)
'scotch' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for whisky that I've seen before include "Scottish spirit" , "W in radio alphabet" , "Grain alcohol" , "reportedly available for Thin Lizzy gig?" , "Scotch" .)
(Other definitions for tape that I've seen before include "Fabric strip; record" , "Strip, magnetic, video, etc." , "Video recording" , "Breast this first to win a race" , "Race finishing-line" .)