Drill Bit Quick Coupling, End Dia. 4.5mm X 4.0mm X310mm Length Send Enquiry for Product Category: Instruments for Supra Condylar Locking Nail Description Description260.502Drill Bit – S.S. – Quick Coupling End Dia. 4.5mm X 4.0mm X310mm Length Opens in a new window Tweet This Product Opens in a new window Share on Facebook Opens in a new window Pin This Product Opens in a new window Mail This Product Related products Proximal & Distal Locking Device Instrument Box with Two Trays – Length 450mm Drill Sleeve 8.0 /3.2mm Dia.