Ruko compressed air grinder sets ruko 116113 this 5 piece compressed air grinder kit includes a compact ruko pneumatic grinder for fast deburring polishing and grinding welding seamsthe ruko 116 100 l pneumatic grinder has a rubberised non slip handle which absorbs vibration and provides a secure grip whilst working the kits contains the grinding tool and 3 grinding accessories ruko 116113 compressed air grinder set 5 piece