Pipe Tube Notcher 1/2" to 2" Construction: .224" Chrome Plated Frame, .149" Black Oxide Steel Clamp, .485" Handle/Clamp Screw Notch Pipe/Tube Dim: 1/2" to 2" Spindle Dimensions: 3/4 with 1/2" - 20 Thread; Spindle Adapter: 1/2 to 5/8" Angle Adjustment: 0-60 Mounting Bracket: 0-90