2 pcs/set 3 Steps Countersink Drill Bit Pilot Drill Bits Set Reamer Screw Hinge Hole Saw Chamfer 4-6 5-7mm steps 8mm

2 pcs/set 3 Steps Countersink Drill Bit Pilot Drill Bits Set Reamer Screw Hinge Hole Saw Chamfer 4-6 5-7mm steps 8mm

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