Janeke Spiral Thermal Round Hair Brush SP513C-ALMJaneke Thermal Round Brush SP513 ALM inner diameter 33mm outer diameter 52mm Brushing Janeke Thermal Round Brush is a brush with ceramic coating that will provide easy styling and cope with even the most unruly hair. An extended working surface of 11. 5 cm will ensure ease of work. The absence of additional elements in the brushing working area will ensure that hair slides without getting into the spaces between the connecting elements. Janeke Thermal