BLEM - Etching issue on inlay (a few small "holes" on surface)

Weight: 57 grams
Plates: Zirconium (S48 "X" Style)
Length: 48mm
Width: 30mm

Magnet Layout: 2 x 4 (3-click)
Magnet Size and Strength: 6mm x 2.5mm (N45)