Lyndex-Nikken CAT50-SK16-195U Collet Chucks; Collet System: Slim Chuck ; Collet Series: SK16 ; Taper Size: CAT50 ; Projection (Decimal Inch): 7.6800in ; Minimum Collet Capacity (Decimal Inch): 0.1080in ; Maximum Collet Capacity (Decimal Inch): 0.6300