• Shank Type: Taper Shank
• Taper Size: BT30
• Projection (Decimal Inch): 4.25
• Tapping Style: Tension/Compression
• Quick-change - push back on the holder sleeve and the adapter with tool is removable • Press on the end of the adapter nose and the tool is removable - all in a few seconds. • Smooth stroke - even under full torque load, the tension-compression stroke is full and free. • Interchangeability - our adapters and holders are interchangeable with Universal-Bilz quick change holders and adapters