Hole Saw Arbor SDS Quick Change for 1-1/4" - 6" Saws - A quick-change Hole Saw Arbor for 6" Saw.Hole Saw Arbor SDS Quick Change for 1-1/4" - 6" Saws features include: Rugged, Heat Treated Steel Arbors Complete with 1/4in, (6MM) High Speed Pilot Drill Cuts clean circular holes through steel &: wood Built to Stand Up Under Hard High Speed Use Blister Packed Dimension Measurements = Inches &: (millimeters) Order Qty of 1 = 1 Piece Below is more info on our Hole Saw Arbor SDS Quick Change for 1-1/4" - 6" Saws