I have an OG NightSwan and the frets were tiny (1mm high and narrow). I had it refretted with Jescar 57110 (essentially 6100) and now it's so much better.
All the info that I could dig up says 80's Kramers used something close to Dunlop 6105's so they may have not been 6100's from the factory, but they did seem to be bigger than what Gibson or Fender were using at the time from what I can recall.
AI Overview:
A 1983 Kramer Imperial (and most Kramers from that era) typically came with
Medium Jumbo frets, often feeling close to or even "Super Jumbo" sized, designed for fast playing and shredding, with some sources suggesting they were similar to
Dunlop 6105 frets. These were substantial frets, wider and taller than vintage styles, allowing for low action without buzzing, a hallmark of 80s shred guitars
Key Characteristics:
- Type: Medium Jumbo (often described as very tall/wide).
- Feel: Excellent for shredding, big chords, and low action.
- Modern Equivalent: Comparable to larger modern jumbo frets like Dunlop 6105 or even larger.
So, while labeled "medium jumbo," expect them to feel quite large and prominent on the fretboard
So if some 80's Kramers used something close to 6105 Dunlops they aren't too far off of 6100's.
Dunlop 6105 is a popular
medium jumbo/tall fret size, measuring approximately
0.094" wide by 0.054" tall
Dunlop 6100 is a classic jumbo fret size, known for being tall and wide, measuring approximately .110 inches wide by .055 inches tall