Lyndex-Nikken HSK100A-SK16C-1 Collet Chucks; Collet System: Slim Chuck ; Collet Series: SK16 ; Taper Size: HSK100A ; Projection (Decimal Inch): 4.7200in ; Minimum Collet Capacity (Decimal Inch): 0.1080 ; Maximum Collet Capacity (Decimal Inch): 0.6300