Heat treated and oil cooled carbon steel 16 toothed rake strong and sturdy to give the lawn years of good servicethe head measures 46cm across for efficient removal of thatch and moss and for keeping it aerated in top condition and its ideal for clearing leaves and collecting cuttings after mowing comfort grip handle is holed for storage overall measurement of the rake is 156 cm 16 toothed carbon steel lawn rake heat treated and oiled cooled steel it weighs 145kg