The Sealey Super Duty Automatic Centre Punch is a precision marking tool designed for accurately marking drilling positions on metal, wood and plastic surfaces. This automatic centre punch eliminates the need for a hammer, using a spring-loaded mechanism that releases an impact force when pressed against the workpiece, ensuring consistent marking depth and improved accuracy. The chromed brass barrel construction provides durability and corrosion resistance, making this tool suitable for workshop and site use. The spring-loaded tip delivers a reliable impact with minimal effort, whilst the depth adjustment feature on the driver ball allows tradespeople to control the marking depth according to material type and application requirements. Ideal for engineers, metalworkers and fabricators who need to mark drilling centres quickly and accurately, this automatic centre punch is particularly useful when working with sheet metal or preparing components for drilling. The compact 135mm length ma