1.80mm 16 x 16 (dot) 1.80 mm 16 x 16 (dot) 1.90 mm 5 x 7 and 8 x 8 (dot) 3.00 mm 5 x 7 , 5 x 8 and 8 x 8 (dot) 3.70 mm 8 x 8 (dot) 3.75 mm 8 x 8 (dot) 4.80 mm 8 x 8 (dot) 4.90 mm x 4.90 mm 5 x 7 (dot) 5.00 mm 4 x 4 , 5 x 7 , 5 x 8 and 8 x 8 (dot) 5.00 mm x 5.00 mm 8 x 8 (dot) 7.50 mm 4 x 8 (dot) 7.62 mm 5 x 7 (dot) 8.00 mm 5 x 8 (dot) 9.00 mm 4 x 4 (dot) 10.00 mm 5 x 7 and 5 x 8 (dot) 10.00 mm x 10.00 mm 5 x 7 (dot) 20.00 mm 4 x 4 (dot)