Paua abalone (New Zealand Paua abalone) notched diamonds (slotted diamonds) size 8mm (0.315") length x 4.2mm (0.165") width x 1.5mm (0.06") thickness. Some uses include fretboard markers, musical instrument inlay, furniture inlay, marquetry, pool cue inlay and other general decorative inlay and jewellery applications. All pcs are A grade.