Hercules Sagemann Knipkam, no. 627-374 - 17,8 cm Hercules Sagemann Knipkam, no. 627-374 - 17.8 cm is a great comb specially for cutting. This comb is very light and feels great in the hand. Hercules Sagemann Knipkam, no. 627 to 374 is 17.8 cm long.