Lyndex-Nikken HSK100A-SK10C-1 Collet Chucks; Collet System: Slim Chuck ; Collet Series: SK10 ; Taper Size: HSK100A ; Projection (Decimal Inch): 4.7200in ; Minimum Collet Capacity (Decimal Inch): 0.0350 ; Maximum Collet Capacity (Decimal Inch): 0.3940