Compare Quick view Guhring SKU: SMT20810 Guhring HSK50-C 6mm Hydraulic Holder 61mm Pro GM300 4367 6.050 (LOC2663D) MPN: GM300 4367 6.050 Coolant Through: Yes Spindle Type: HSK50-C Shank Capacity: 6mm MSRP: Was: Price Now $199.95 1 In Stock Quantity Add to Your List