Tube Bender Set Tubing Outside Diameter 1/4 in Compatible Tubing Material Aluminum Copper Bend Angle - Minimum 0 Degrees Bend Angle - Maximum 90 Degrees Application Any Other System Requiring Bends of Small Diameter Tubing Automotive HVAC Hydraulic Systems Oil Supply Pneumatic Features The Ergonomic Design Allows One-Handed Operation Quick Bending Thanks to Ratchet Feed Quickly Change the Bending Segment with the Bayonet Coupling Handle Type Ratchet Mandrel Material Cast Aluminum