Features: This is for 1 pair of high quality Replacement Compatible Carbon Brushes for the following 230v Dewalt angle grinder models: Carbon Size: 6.4 x 10 x 13mm with AUTOSTOP / AUTOCUT OFF Safety Feature These are not like other cheap compatible brushes found on ebay where the carbon content is mixed with a substitute material and you find that they will wear away quickly and possibly damage the Angle Grinder. My carbon brushes come with AUTO CUT off Feature Product Number Product Description Type Markets Product Status Last Date of Manuf. D28011 SMALL ANGLE GRINDER 3 QS, Discontinued 20/12/2013 D28111 SMALL ANGLE GRINDER 1 GB, QS, Discontinued 31/03/2012 D28111 SMALL ANGLE GRINDER 2 GB, QS, Discontinued 31/12/2009 D28111 SMALL ANGLE.