Manufacturer Part Number: 685.62844253|Product Type|Drill Chuck KeyKey Number|K4Product Number Compatibility|16N; 18N; 36; 36B; 37KD; 37PD; 59BPilot Diameter (mm)|Pilot Diameter (Inch)|3/8Pilot Diameter (Decimal Inch)|0.3740Material|Key Length|For Use With|3/4 in Capacity ChuckMount|4JTPSN|Product Service Code|UNSPSC Code|