Reply To: Are inexpensive plated laps as good as more costly plated laps? › Forums › Laps › Are inexpensive plated laps as good as more costly plated laps? › Reply To: Are inexpensive plated laps as good as more costly plated laps? August 16, 2017 at 3:12 am #3418 tucsonbearParticipant @Tucsonbear Hey Scott, use for rough preforming only, the 100 grit tends to chip facet edges, and I can only imagine the 80 grit is worse!