Hole Saw Arbor Extension 12" Long with Double end 0.37"(9.5mm) Hex and 0.43”(11mm) Hex for 3/8”,1/2" Chuck，Extra T-Sharp Ratchet Screw Driver

3/8”, 7/16” Double end Hex Extension Drill Extension Bit Holder 3/8”, 7/16" Hex Male to 3/8”, 7/16" Female Hex Shank Extension allows you to Drill Deep Holes for hole saw arbor .

• Advantage 1: 12 inch Hole Saw Extension bit extension 12" Long Bit Extension with Double end.
• Advantage 2: Drill Long Reach Extension for Drill Bits with 3/8”, 7/16" Hexagonal Shaft 12” Extension Drill Bit Heat Treated Hex Drill Extension.
• Application: 3/8”, 7/16” Double end Hex Extension Drill Extension Bit Holder 3/8”, 7/16" Hex Male to 3/8”, 7/16" Female Hex Shank Extension allows you to Drill Deep Holes for hole saw arbor
• Package: 1 x 12” extension mandrel bar,1x T-sharp ratchet screw driver 6 x 1” CrV screw driver bits.