DA / DB Series Electric Chain Hoists Hook Suspension With Electric Trolley With Geared Trolley With Plain Trolley Technical data Hook Dimensions, Bottom Hook Weight, Load Chain Weight ( DA,DB,FA,FB Series ) I-beam Electric Chain Hoists With Electric Trolley ( DAM,DBM,FAM,FBM series ) I-beam Electric Chain Hoists With Geared Trolley,Plain Trolley ( DAG,DAP,DBG,DBP series ) Electric Chain Hoists Line up