Abstract: A hand-held grinding device 1, 50, 60 for sharpening the cutting edge 3 of a chisel 4 comprises a housing 5 in which a grinding wheel 6 is mounted and a handle member 7 defining a guide channel 20 for directing the cutting edge 3 to the wheel 6. The grinding wheel 6 is mounted on a shaft 10 with a free end 8 for mounting in the chuck 9 of a power tool 19. The guide channel 20 has a rear end entry 22 and an end exit 21 adjacent to the grinding surface of the wheel 6. The cutting edge 3 of a chisel 4 to be sharpened is urged against the grinding wheel 6 by spring biassing elements 25, 26 extending into the guide channel 20. A forward bridge 30 is provided above the exit 21 and a rearward bridge member 35 is provided above the end entry 22.