Model Part Number Backhead Thread
MR116 Hammer 4 " Remet MR116AS01 4" Remet
MR116 Hammer 4 " Remet - Low Air MR116AL01 4" Remet
MR116 Hammer 4 " Metzke MR116AS02 4" Metzke
MR116 Hammer 4 "Metzke - Low Air MR116AL02 4" Metzke
MR116 Hammer 4 1/2 " Remet MR116AS03 4 1/2" Remet
MR116 Hammer 4 1/2 " Remet - Low Air MR116AL03 4 1/2" Remet
MR116 Hammer 4 1/2 " Metzke MR116AS04 4 1/2" Metzke
MR116 Hammer 4 1/2 " Metzke - Low Air MR116AL04 4 1/2" Metzke