TOP TECH 1/2″ KEY TYPE DRILL CHUCK & 2MT THREAD ARBOR

Loc-Line 1/2" Extended Elements, 4 Pieces, 1/2" Inside Diameter - 51833 For machine tools and EDMs. Operates with air pressure of up to 50 PSI and fluid pressure of up to 30 PSI. Fully adjustable by hand. Snaps together and stays in place. Interchangeable