8g coils measure 13/16" (21mm) tall and 9/16" (14.6mm) at the widest point. The inner diameter measures 5/16" and each coil weighs 3 grams.
2g coils measure 1" (25mm) tall and 3/4" (19) at the widest point. The inner diameter measures 3/8" and each coil weighs 10 grams.
0g coils measure 1-1/8" (28mm) tall and 13/16" (21mm) at the widest point. The inner diameter measures 3/8" and each coil weighs 11 grams.