HERE WE HAVE A PAIR (TWO ) OF NEW CARBON BRUSHES FOR elu ws12 type a2 also fit DEWALT BK20 GRINDER 939539-00 DEW-BK20 DW 406 TYPE 1 AND TYPE 2 ANGLE GRINDERS DW801 DW 803 DW 806 DW 810 DW 812 DW 813 DW 818 TYPE 1 , 3 , 4 AND 5 DW 821 TYPE 1 AND 3 DW 823 BLACK AND DECKER 949637-01 EASY TO CHANGE IT IS RECOMMENDED TO CHANGE YOUR CARBON BRUSHES AFTER SEVERAL HOURS OF USE SEE YOUR MANUFACTURERS INSTRUCTIONS DRAMATICALLY IMPROVES THE PERFORMANCE AFTER CHANGING! IMMEDIATE POSTAGE! SUPERB ABSOLUTE CLASS 1 A QUALITY - IF YOU ARE OPENING THE MACHINE YOU WANT TO BE SURE THAT YOU ARE FITTING THE BEST CARBON BRUSHES AND THESE ARE THE ONES TO USE WITHOUT DOUBT!! Please ensure that the Commutator is clean not abrasive. Always wear protective eyewear gloves. Keep children away. Original Brand names/makes/model numbers are given for comparative purposes only the rights of all registered trade marks are recognised and respected. These are non-oem High Quality consumable replacement parts which can fit many tools equipments. No liability is accepted for any damage or injury. We offer goodwill 30 days Return for full refund or free exchange. Thank you AND NOW THE LEGAL STUFF ? We are not agents of the Manufacturers and respect and recognise their name and trade mark and ownership of title for their products. These are generic high quality replacement consumable parts which fit many tools in these size brushes and we clearly state that these are not OEM and we are not directly or by implication dealers or agents for these respected brands.