cm 13 = in 5 = 11-562-13
cm 14 = in 5/1/2" = 11-562-14
cm 15 = in 6 = 11-562-15
cm 16 = in 6/1/2" = 11-562-16
cm 18 = in 7 = 11-562-18
cm 20 = in 8 = 11-562-20
cm 21 = in 8/1/2" = 11-562-21
cm 13 = in 5 = 11-562-13
cm 14 = in 5/1/2" = 11-562-14
cm 15 = in 6 = 11-562-15
cm 16 = in 6/1/2" = 11-562-16
cm 18 = in 7 = 11-562-18
cm 20 = in 8 = 11-562-20
cm 21 = in 8/1/2" = 11-562-21