Lyndex-Nikken NCAT50-SK25C-19 Collet Chucks; Collet System: Slim Chuck ; Collet Series: SK25 ; Taper Size: NCAT50 ; Projection (Decimal Inch): 7.6800in ; Minimum Collet Capacity (Decimal Inch): 0.1880in ; Maximum Collet Capacity (Decimal Inch): 1.000