DF52-10P-0.8C DF52-10S-0.8H DF52-10S-0.8H(21) DF52-12P-0.8C DF52-12S-0.8H(21) DF52-14P-0.8C DF52-14P-08C DF52-14S-0.8H(21) DF52-15P-0.8C DF52-15S-0.8H(21)