Reviews : Flex-I-File Ultrabrush Regular Blue Microbrush 25 pack Flex-I-File Ultrabrush Regular Blue Microbrush 25 pack $6.49 Leave a Rating! ★ ★ ★ ★ ★ OR Write a Review! Write a Review Sort 5-Star: 0 (1 ratings) 4-Star: 0 (0 ratings) 3-Star: 0 (0 ratings) 2-Star: 0 (0 ratings) 1-Star: 0 (0 ratings) Reviews