Hi,
My fish tanks are 24 inches deep, and are surrounded by white Berber carpet. So without putting down the absorbent mats down, I can fix minor scaping issues with the 2 ft. lonq scissors, and thongs.
Ofcourse, on major scapes I use the smaller scissors, tongs and tweezers.
All 5 pairs of scissors, I got from F&S years ago, and never have had to do any maintenance on them, nor had any issues with them.(Good quality stainless steel)