Promjer / područje označavanja / dozvola
100 mm: 2.17 in x 2.17 in 55 mm x 55 mm, 3.54 in 90 mm
160 mm: 4.33 in x 4.33 in 110 mm x 110 mm, 6.93 in 176 mm
250 mm: 6.69 in x 6.69 in 170 mm x 170 mm, 11.34 in 288 mm