HAIMER 50.8H10.3/8Z Hydraulic Tool Holders & Chucks; Shank Type: Straight-Cylindrical ; Taper Size: CAT50 ; Hole Diameter (Inch): 3/8 ; Shank Diameter (Inch): 3/8 ; Nose Diameter (Decimal Inch - 4 Decimals): 1.1800 ; Clamping Depth (Decimal Inch): 1.