O ring For piston Suitable For 11E / 11kg Demolition Hammer in Bosch / Hitachi / Dongcheng / DCK / All Imported 11E Model
Brand : Generic
Item Dimension : 30,0x5,0 MM
Suitable For : Bosch GSH11E / Dongcheng DZG10 / DCA / DCK / Xtrapower / Powertex / Stanley / Dewalt/ All Imported 11e Model
O Ring helps to tighten the joints to reduce the graese leakage. It also helps to proper demolish
so please read the user manual to avoid that.