Parlec C50-31SF315-9 Shrink-Fit Tool Holder & Adapter: CAT50 Taper Shank, 0.3125" Hole Dia
Shrink-Fit Tool Holder & Adapter: CAT50 Taper Shank, 0.3125" Hole Dia 3.15" Projection, 0.83" Nose Dia, 1.45" Clamp Depth, Through Coolant
$381.36