Photo 1 of SALI 12" Extension Adapter for Core Drill Bits, Extension Rod with 1-1/4"-7 Thread Drill Bit Adapter for Saw Threaded Diamond Hole Diamond Core Drill

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Photo 1 of SALI 12" Extension Adapter for Core Drill Bits, Extension Rod with 1-1/4"-7 Thread Drill Bit Adapter for Saw Threaded Diamond Hole Diamond Core DrillPhoto 2 of SALI 12" Extension Adapter for Core Drill Bits, Extension Rod with 1-1/4"-7 Thread Drill Bit Adapter for Saw Threaded Diamond Hole Diamond Core Drill