Product Description The company produces crank pin assembly, excellent selection, quality assurance. There are the following models: 10-3-53HB; 10-4.2-53HB; 10 type; double insurance; 12-4.2-73HB; 12 type (energy) 12 double insurance; 14 type; 8-3-48HB; blue stone 12 type; Portland stone, type 8; Portland stone, 10 type 8-4.2-37HB; 8-3-37HB; 6-2.5-26HB