So you need to tie on some really humongous HOOKS? Look no further than our MONSTER. The MONSTER features deeper hook grooves and thirty thousandths of an inch is milled out from between the jaws. These are great for Salt Water, Predator Flies, Huge Bass bugs, Atlantic salmon hooks or any huge irons. Holds 1/0 to 8/0 (Dependent on hook wire diameter). Mounted on a sturdy C-clamp stem.