3/8 CAT50 TECHNICS Collet Chuck End Mill Tool Holder CNC 6" Projection 150-303-6 $99.0 Brand TECNARA Taper Size CAT50 Adapter/Holder Type End Mill Holder Country/Region of Manufacture Japan condition Used 3/8" CAT50 TECHNICS Collet Chuck End Mill Tool Holder 150-303-66" Projection JapanWe have Large Lot of CAT50 Holders, different sizes.lamber r42