The Acer ADP2 kit includes an Acer ADP1 deep hole pencil along with a holster to keep it secure on the person while active on site. Thanks to it's unique 120mm retractable, interchangeable leads, the Acer ADP1 deep hole pencil can mark through beams & joists with ease, while the availability of optional yellow coloured leads makes it suitable for marking dark materials as well as common construction timber and paper plans. The new Acer Site Holster makes the Aer pen or pencil the best marking solution for any construction application. It makes sure the pen / pencil is always to hand, easily findable, and has a set location to slot the marking tool back into quickly and simply after use. Additionally it helps protects the pen or pencil from accidental damage in construction environments. Features and BenefitsInterchangeable 120mm lead allow marking in different coloursBlack and yellow leads available for light or dark materialsSturdy stainless steel shaft provides protection f