Photo 1 of 3 Pcs Step Drill Bit Set for PPR Expansion Repair, HSS Titanium Hole Drill Bit Water Pipe with 1/4 Inch Hex Shank, Universal Size 1/2" 3/4" 1'' Hole Opening Tapered Drill Bits

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Photo 1 of 3 Pcs Step Drill Bit Set for PPR Expansion Repair, HSS Titanium Hole Drill Bit Water Pipe with 1/4 Inch Hex Shank, Universal Size 1/2" 3/4" 1'' Hole Opening Tapered Drill BitsPhoto 2 of 3 Pcs Step Drill Bit Set for PPR Expansion Repair, HSS Titanium Hole Drill Bit Water Pipe with 1/4 Inch Hex Shank, Universal Size 1/2" 3/4" 1'' Hole Opening Tapered Drill Bits