Karcher 2 637 945 0 coarse dirt kit for vacuums karcher 2 637 945 0 p this coarse dirt kit for vacuums from karcher is a superb extensive vacuuming kit with enlarged nominal diameter 60mm for all types of coarse dirt designed with versatility in mind and suitable for wood chippings debris gravel crushed stones small stones leaves soil or bark mulch p p the kit includes the following pieces 2m suction hose 2x 0 5 m suction tubes crevice tool coarse dirt nozzle and adaptor