Model d1 d2 d3 L1 L4 conform HGK-12 12 29 36 14 8 HGK-12A 12 30 37 13.5 6 HGK-14A 14 34 40.6 15.5 7 HGK-14B 14 30 36 16.5 7 K-14D HGK-14C 14 35 40.6 15.5 7 HGK-16A 16 38 43.6 16.5 8 HGK-16B 16 37 42.5 16.5 8 K-16E HGK-16C 16 36 42 16.5 8 K-16F HGK-19 19 40 49 15.5 8 K-20 HGK-28 28 49 56.5 27.5 9.5