Shimano BR M-732 cantis have lots of vertical adjustment, as well as a centering adjustment spring. Circa 1989-early '90's. Here's the velobase link.
VeloBase.com - Component: Shimano BR-M732, Deore XT
Bought a dirty pair from a bike co-op, cleaned & polished with new pads, cables/housings and they look like new. On my '95 Trek 820 "Apocalypse" bike (you know....just in case).