"Alpine style" magnesia cupels, packed in cartons of 300.
Size 6A.
D: 40.0mm 1.57"
D1: 32.7mm 1.29"
D2: 30.0mm. 1.18"
H: 25.4mm. 1.00"
H1: 12.3mm. 0.48"
(grams): 49g