สามทางลด

D25/20/25, D63/25/63, D90/32/90, D32/20/32, D63/32/63, D90/40/90, D32/25/32, D63/40/63, D90/50/90, D40/20/40, D63/50/63, D110/25/110, D90/63/90, D40/25/40, D75/20/75, D110/32/110, D90/75/90, D40/32/40, D75/25/75, D110/40/110, D50/20/50, D75/32/75, D110/50/110, D50/25/50, D75/40/75, D110/63/110, D50/32/50, D75/50/75, D110/75/110, D50/40/50, D75/63/75, D110/90/110, D63/20/63, D90/25/90