The bipolar cervicocapital head consists of 3 parts: outer shell: stainless steel (ISO 5832-1), insert: PE (ISO 5834-2), collar: PE (ISO 5834-2). The characteristics of the product: the bipolar cervicocapital head is available in series of sizes with 2 mm intervals, good wear resistant surface which reduces the friction to a minimum, the optimal neck length can be reached with the proper choice of the head (diameter 26 mm)