Promjer / područje označavanja / dozvola
100 mm: 2.76 in x 2.76 in 70 mm x 70 mm, 3.19 in 81 mm
160 mm: 4.33 in x 4.33 in 110 mm x 110 mm, 5.15 in 131 mm
210 mm: 5.51 in x 5.51 in 140 mm x 140 mm, 7.24 in 184 mm
350 mm: 9.84 in x 9.84 in 250 mm x 250 mm, 13.82 in 351 mm