Sander

A sander 10 has a main body 12 and a mounting attachment 22, which may have a clamp 28 with a locking lever 30, to mount the main body to a CNC router. At least one rotatable tool 34 is housed within the main body and protrudes from an open bottom surface of the main body. The main body has a top surface 14 through which a drive spindle of the CNC router protrudes and an extraction port (42 fig.3). The rotatable tool may have four tools and may be driven in unison from a pulley 38 and drive belt 40; adjacent pulleys may be driven in opposite directions. The rotatable tools may have pads 36 which are push fit. A safety bumper bar (44 fig.3) may be fitted to the main body and connected to a microswitch that will turn off the router when impacted.