2 1/2 in, Inside Dia. Toolholder Bushing, Style Designation DD, Outside Dia. 1 1/4 in 7/8 in, Length Under Head 4.000 in, Hole Center to Center 1 3/4 in, Number of Set Screw Holes 2, Set Screw Hole Dia.
500 in, Hole Center to Center 1 1/8 in, Number of Set Screw Holes 2, Set Screw Hole Dia.1 1/2 in, Inside Dia. Toolholder Bushing, Style Designation J, Outside Dia.