The following are trademarks for one or more DEWALT power tools, add-ons, anchors and concrete adhesives: The yellow and black colour scheme; the “D”-formed air intake grill; the assortment of pyramids over the handgrip; the kit box configuration; and the array of lozenge-shaped humps over the surface from the tool. https://dewalt12vpowertool48157.blogaritma.com/26526819/how-much-you-need-to-expect-you-ll-pay-for-a-good-dewalt-20-volt-xr-5ah-battery