Sturdy and reliable auxiliary handle for Bosch rotary hammers. This handle is required for the use of specific Bosch hammer drill models including 1169VSR, 1194VSR, 11221DVS, 11228VSR, 11224VSR, 11225VSR, 11225VSRH, 11234VSR, 12524, 1139VSR, 1194AVSR. It is also required for use with 1618190006 or 1618190009 Dust Extraction Fixtures with drills such as 1011VSR, 1012VSR, 1013VSR, 1014VSR, 1030VSR, 1031VSR, 1032VSR, 1033VSR, 1034VSR and 1035VSR. Additionally, it is compatible with Hammers 11250VSR, 11224VSRC, 11253VSR, 11255VSR and 11536VSR or Hammer Drill 1199VSR. This handle is appropriate for GAH 500 DSR and GBM 13 HRE Professional rotary hammers. Weight: 0.34612575134 pounds.