Inside CornerInside corner available in two sizes.DescriptionAdditionalDescription16-0N009 For the 0N007 - r. 50 mm a. 41 mm b. 14 mm c. 8 mm d. 20 mm16-0N037 For the 0N010- r. 50 mm a. 60 mm b. 13 mm c. 7 mm d. 20 mm AdditionalOptions0N009, 0N037